Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler.
Number of rules (primarily dangerous function names) in C/C++ ruleset: 223
Examining data/gdm3-3.38.2/chooser/chooser-main.c
Examining data/gdm3-3.38.2/chooser/gdm-chooser-host.c
Examining data/gdm3-3.38.2/chooser/gdm-chooser-host.h
Examining data/gdm3-3.38.2/chooser/gdm-chooser-session.c
Examining data/gdm3-3.38.2/chooser/gdm-chooser-session.h
Examining data/gdm3-3.38.2/chooser/gdm-host-chooser-dialog.c
Examining data/gdm3-3.38.2/chooser/gdm-host-chooser-dialog.h
Examining data/gdm3-3.38.2/chooser/gdm-host-chooser-widget.c
Examining data/gdm3-3.38.2/chooser/gdm-host-chooser-widget.h
Examining data/gdm3-3.38.2/chooser/gdm-host-chooser.c
Examining data/gdm3-3.38.2/common/gdm-address.c
Examining data/gdm3-3.38.2/common/gdm-address.h
Examining data/gdm3-3.38.2/common/gdm-common-unknown-origin.h
Examining data/gdm3-3.38.2/common/gdm-common.c
Examining data/gdm3-3.38.2/common/gdm-common.h
Examining data/gdm3-3.38.2/common/gdm-log.c
Examining data/gdm3-3.38.2/common/gdm-log.h
Examining data/gdm3-3.38.2/common/gdm-profile.c
Examining data/gdm3-3.38.2/common/gdm-profile.h
Examining data/gdm3-3.38.2/common/gdm-settings-backend.c
Examining data/gdm3-3.38.2/common/gdm-settings-backend.h
Examining data/gdm3-3.38.2/common/gdm-settings-desktop-backend.c
Examining data/gdm3-3.38.2/common/gdm-settings-desktop-backend.h
Examining data/gdm3-3.38.2/common/gdm-settings-direct.c
Examining data/gdm3-3.38.2/common/gdm-settings-direct.h
Examining data/gdm3-3.38.2/common/gdm-settings-keys.h
Examining data/gdm3-3.38.2/common/gdm-settings-utils.c
Examining data/gdm3-3.38.2/common/gdm-settings-utils.h
Examining data/gdm3-3.38.2/common/gdm-settings.c
Examining data/gdm3-3.38.2/common/gdm-settings.h
Examining data/gdm3-3.38.2/common/test-log.c
Examining data/gdm3-3.38.2/daemon/gdm-dbus-util.c
Examining data/gdm3-3.38.2/daemon/gdm-dbus-util.h
Examining data/gdm3-3.38.2/daemon/gdm-display-access-file.c
Examining data/gdm3-3.38.2/daemon/gdm-display-access-file.h
Examining data/gdm3-3.38.2/daemon/gdm-display-factory.c
Examining data/gdm3-3.38.2/daemon/gdm-display-factory.h
Examining data/gdm3-3.38.2/daemon/gdm-display-store.c
Examining data/gdm3-3.38.2/daemon/gdm-display-store.h
Examining data/gdm3-3.38.2/daemon/gdm-display.c
Examining data/gdm3-3.38.2/daemon/gdm-display.h
Examining data/gdm3-3.38.2/daemon/gdm-launch-environment.c
Examining data/gdm3-3.38.2/daemon/gdm-launch-environment.h
Examining data/gdm3-3.38.2/daemon/gdm-legacy-display.c
Examining data/gdm3-3.38.2/daemon/gdm-legacy-display.h
Examining data/gdm3-3.38.2/daemon/gdm-local-display-factory.c
Examining data/gdm3-3.38.2/daemon/gdm-local-display-factory.h
Examining data/gdm3-3.38.2/daemon/gdm-local-display.c
Examining data/gdm3-3.38.2/daemon/gdm-local-display.h
Examining data/gdm3-3.38.2/daemon/gdm-manager.c
Examining data/gdm3-3.38.2/daemon/gdm-manager.h
Examining data/gdm3-3.38.2/daemon/gdm-server.h
Examining data/gdm3-3.38.2/daemon/gdm-session-auditor.c
Examining data/gdm3-3.38.2/daemon/gdm-session-auditor.h
Examining data/gdm3-3.38.2/daemon/gdm-session-linux-auditor.c
Examining data/gdm3-3.38.2/daemon/gdm-session-linux-auditor.h
Examining data/gdm3-3.38.2/daemon/gdm-session-record.c
Examining data/gdm3-3.38.2/daemon/gdm-session-record.h
Examining data/gdm3-3.38.2/daemon/gdm-session-settings.c
Examining data/gdm3-3.38.2/daemon/gdm-session-settings.h
Examining data/gdm3-3.38.2/daemon/gdm-session-solaris-auditor.c
Examining data/gdm3-3.38.2/daemon/gdm-session-solaris-auditor.h
Examining data/gdm3-3.38.2/daemon/gdm-session-worker-common.c
Examining data/gdm3-3.38.2/daemon/gdm-session-worker-common.h
Examining data/gdm3-3.38.2/daemon/gdm-session-worker-job.c
Examining data/gdm3-3.38.2/daemon/gdm-session-worker-job.h
Examining data/gdm3-3.38.2/daemon/gdm-session-worker.c
Examining data/gdm3-3.38.2/daemon/gdm-session-worker.h
Examining data/gdm3-3.38.2/daemon/gdm-session.c
Examining data/gdm3-3.38.2/daemon/gdm-session.h
Examining data/gdm3-3.38.2/daemon/gdm-wayland-session.c
Examining data/gdm3-3.38.2/daemon/gdm-x-session.c
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-chooser-display.c
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-chooser-display.h
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.h
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-display.c
Examining data/gdm3-3.38.2/daemon/gdm-xdmcp-display.h
Examining data/gdm3-3.38.2/daemon/main.c
Examining data/gdm3-3.38.2/daemon/session-worker-main.c
Examining data/gdm3-3.38.2/daemon/test-session-client.c
Examining data/gdm3-3.38.2/daemon/gdm-server.c
Examining data/gdm3-3.38.2/libgdm/gdm-client.c
Examining data/gdm3-3.38.2/libgdm/gdm-client.h
Examining data/gdm3-3.38.2/libgdm/gdm-sessions.c
Examining data/gdm3-3.38.2/libgdm/gdm-sessions.h
Examining data/gdm3-3.38.2/libgdm/gdm-user-switching.c
Examining data/gdm3-3.38.2/libgdm/gdm-user-switching.h
Examining data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h
Examining data/gdm3-3.38.2/pam_gdm/pam_gdm.c
Examining data/gdm3-3.38.2/tests/m-common.c
Examining data/gdm3-3.38.2/tests/s-common-address.c
Examining data/gdm3-3.38.2/tests/s-common-address.h
Examining data/gdm3-3.38.2/tests/s-common.c
Examining data/gdm3-3.38.2/tests/s-common.h
Examining data/gdm3-3.38.2/utils/gdm-disable-wayland.c
Examining data/gdm3-3.38.2/utils/gdm-screenshot.c
Examining data/gdm3-3.38.2/utils/gdmflexiserver.c

FINAL RESULTS:

data/gdm3-3.38.2/daemon/gdm-display-access-file.c:282:21:  [5] (race) chown:
  This accepts filename arguments; if an attacker can move those files, a
  race condition results. (CWE-362). Use fchown( ) instead.
                if (chown (GDM_XAUTH_DIR, 0, gid) != 0) {
data/gdm3-3.38.2/daemon/gdm-display-access-file.c:325:13:  [5] (race) chown:
  This accepts filename arguments; if an attacker can move those files, a
  race condition results. (CWE-362). Use fchown( ) instead.
        if (chown (dir_name, uid, gid) < 0) {
data/gdm3-3.38.2/daemon/gdm-launch-environment.c:351:13:  [5] (race) chown:
  This accepts filename arguments; if an attacker can move those files, a
  race condition results. (CWE-362). Use fchown( ) instead.
        if (chown (path, uid, gid) == -1) {
data/gdm3-3.38.2/daemon/main.c:164:13:  [5] (race) chown:
  This accepts filename arguments; if an attacker can move those files, a
  race condition results. (CWE-362). Use fchown( ) instead.
        if (chown (path, uid, gid) == -1) {
data/gdm3-3.38.2/daemon/gdm-display.c:1843:17:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
                sprintf (newwindowpath, "%s", nums);
data/gdm3-3.38.2/daemon/gdm-display.c:1846:17:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
                sprintf (newwindowpath, "%s:%s", windowpath, nums);
data/gdm3-3.38.2/daemon/gdm-server.c:438:9:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
        strcpy (identifier, prefix);
data/gdm3-3.38.2/daemon/gdm-server.c:439:9:  [4] (buffer) strcat:
  Does not check for buffer overflows when concatenating to destination
  [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
  snprintf (warning: strncat is easily misused).
        strcat (identifier, server->display_name);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:247:25:  [4] (shell) execv:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
                        execv (new_argv[0], new_argv);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:283:25:  [4] (shell) execv:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
                        execv (file, argv);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:341:33:  [4] (shell) execv:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
                                execv (startp, argv);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:779:14:  [4] (shell) popen:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
        fd = popen (factory->willing_script, "r");
data/gdm3-3.38.2/daemon/gdm-display.c:1839:22:  [3] (buffer) getenv:
  Environment variables are untrustable input if they can be set by an
  attacker. They can have any content and length, and the same variable can
  be set more than once (CWE-807, CWE-20). Check environment variables
  carefully before using them.
        windowpath = getenv ("WINDOWPATH");
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:275:26:  [3] (random) g_random_int:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
                serial = g_random_int ();
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:3409:35:  [3] (random) g_random_int:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
        factory->session_serial = g_random_int ();
data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h:52:33:  [3] (buffer) getenv:
  Environment variables are untrustable input if they can be set by an
  attacker. They can have any content and length, and the same variable can
  be set more than once (CWE-807, CWE-20). Check environment variables
  carefully before using them.
        _supported_extensions = getenv ("GDM_SUPPORTED_PAM_EXTENSIONS"); \
data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h:107:33:  [3] (buffer) getenv:
  Environment variables are untrustable input if they can be set by an
  attacker. They can have any content and length, and the same variable can
  be set more than once (CWE-807, CWE-20). Check environment variables
  carefully before using them.
        _supported_extensions = getenv ("GDM_SUPPORTED_PAM_EXTENSIONS"); \
data/gdm3-3.38.2/utils/gdmflexiserver.c:113:21:  [3] (random) g_random_double:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
                x = g_random_double ();
data/gdm3-3.38.2/utils/gdmflexiserver.c:114:21:  [3] (random) g_random_double:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
                y = g_random_double ();
data/gdm3-3.38.2/chooser/gdm-host-chooser-widget.c:523:17:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
                char             serv_buf [NI_MAXSERV];
data/gdm3-3.38.2/common/gdm-address.c:114:9:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
        memcpy (addr->ss, sa, size);
data/gdm3-3.38.2/common/gdm-address.c:256:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char     host [NI_MAXHOST];
data/gdm3-3.38.2/common/gdm-address.c:299:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char     host [NI_MAXHOST];
data/gdm3-3.38.2/common/gdm-address.c:300:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char     serv [NI_MAXSERV];
data/gdm3-3.38.2/common/gdm-address.c:375:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char          buf[BUFSIZ];
data/gdm3-3.38.2/common/gdm-address.c:426:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char             hostbuf[BUFSIZ];
data/gdm3-3.38.2/common/gdm-common.c:292:14:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        fd = open ("/dev/urandom", O_RDONLY);
data/gdm3-3.38.2/common/gdm-settings-utils.c:251:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char result[G_ASCII_DTOSTR_BUF_SIZE];
data/gdm3-3.38.2/daemon/gdm-display-access-file.c:444:17:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
                char localhost[HOST_NAME_MAX + 1] = "";
data/gdm3-3.38.2/daemon/gdm-display.c:1801:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char nums[10];
data/gdm3-3.38.2/daemon/gdm-manager.c:1756:23:  [2] (integer) atoi:
  Unless checked, the resulting number can exceed the expected range
  (CWE-190). If source untrusted, check both minimum and maximum, even if the
  input had no minus sign (large numbers can roll over into negative number;
  consider saving to an unsigned value if that is intended).
        uid = (uid_t) atoi (gis_uid_contents);
data/gdm3-3.38.2/daemon/gdm-server.c:477:34:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        VE_IGNORE_EINTR (logfd = open (log_path, O_CREAT|O_APPEND|O_TRUNC|O_WRONLY|O_EXCL, 0644));
data/gdm3-3.38.2/daemon/gdm-session-linux-auditor.c:56:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char                      buf[512];
data/gdm3-3.38.2/daemon/gdm-session-worker.c:175:8:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
static char gdm_pam_extension_environment_block[_POSIX_ARG_MAX];
data/gdm3-3.38.2/daemon/gdm-session-worker.c:316:17:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                memcpy (name + pathlen + 1, file, len);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:334:42:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                                startp = memcpy (name - (p - path), path, p - path);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:876:14:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        fd = open ("/dev/tty0", O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:886:14:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        fd = open ("/dev/tty0", O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:965:28:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        active_vt_tty_fd = open ("/dev/tty0", O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:1092:14:  [2] (misc) fopen:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        fh = fopen (x11_authority_file, "r");
data/gdm3-3.38.2/daemon/gdm-session-worker.c:1104:17:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                memcpy (retval->name, auth->name, auth->name_length);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:1107:17:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                memcpy (retval->data, auth->data, auth->data_length);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:1129:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char tty_string[256];
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2033:36:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
                        stdin_fd = open ("/dev/null", O_RDWR);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2115:53:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
                                        stdout_fd = open ("/dev/null", O_RDWR);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2120:45:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
                                stdout_fd = open ("/dev/null", O_RDWR);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2194:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char vt_string[256], tty_string[256];
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2205:25:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        initial_vt_fd = open (tty_string, O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2243:45:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
             worker->priv->session_tty_fd = open (tty_string, O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2260:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char vt_string[256];
data/gdm3-3.38.2/daemon/gdm-session-worker.c:2263:14:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        fd = open ("/dev/tty0", O_RDWR | O_NOCTTY);
data/gdm3-3.38.2/daemon/gdm-x-session.c:117:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char      localhost[HOST_NAME_MAX + 1] = "";
data/gdm3-3.38.2/daemon/gdm-x-session.c:237:22:  [2] (integer) atoi:
  Unless checked, the resulting number can exceed the expected range
  (CWE-190). If source untrusted, check both minimum and maximum, even if the
  input had no minus sign (large numbers can roll over into negative number;
  consider saving to an unsigned value if that is intended).
                vt = atoi (g_getenv ("XDG_VTNR"));
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:447:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char             strport[NI_MAXSERV];
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:492:41:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                                        memcpy (hostaddr, ai->ai_addr, ai->ai_addrlen);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:759:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char   buf[256];
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:1481:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char             host_buf [NI_MAXHOST];
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:1482:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char             serv_buf [NI_MAXSERV];
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:1506:17:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
                memcpy (&port, req_port->data, 2);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:3404:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char           hostbuf[1024];
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:3415:17:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
                strcpy (hostbuf, "localhost.localdomain");
data/gdm3-3.38.2/daemon/main.c:120:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char    pid[9];
data/gdm3-3.38.2/daemon/main.c:123:14:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
        pf = open (GDM_PID_FILE, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0644);
data/gdm3-3.38.2/daemon/test-session-client.c:67:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char  answer[1024];
data/gdm3-3.38.2/daemon/test-session-client.c:115:9:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        char           answer[1024];
data/gdm3-3.38.2/chooser/gdm-host-chooser-widget.c:479:25:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
                        strncpy (ifreq.ifr_name,
data/gdm3-3.38.2/common/gdm-common.c:238:30:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
                bytes_read = read (fd, ((guchar *) bytes) + total_bytes_read,
data/gdm3-3.38.2/daemon/gdm-dbus-util.c:94:35:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                client_address += strlen("unix:path=");
data/gdm3-3.38.2/daemon/gdm-display-access-file.c:455:27:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        *address_length = strlen (*address);
data/gdm3-3.38.2/daemon/gdm-display-access-file.c:459:26:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        *number_length = strlen (*number);
data/gdm3-3.38.2/daemon/gdm-display-access-file.c:462:24:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        *name_length = strlen (*name);
data/gdm3-3.38.2/daemon/gdm-display.c:1806:65:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        atom_cookie = xcb_intern_atom (priv->xcb_connection, 0, strlen("XFree86_VT"), "XFree86_VT");
data/gdm3-3.38.2/daemon/gdm-display.c:1845:41:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                newwindowpath = malloc (strlen (windowpath) + 1 + numn + 1);
data/gdm3-3.38.2/daemon/gdm-display.c:1871:38:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                auth_info->namelen = strlen ("MIT-MAGIC-COOKIE-1");
data/gdm3-3.38.2/daemon/gdm-server.c:436:16:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        size = strlen (prefix) + strlen (server->display_name) + 1;
data/gdm3-3.38.2/daemon/gdm-server.c:436:34:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        size = strlen (prefix) + strlen (server->display_name) + 1;
data/gdm3-3.38.2/daemon/gdm-session-record.c:138:37:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                u->ut_syslen = MIN (strlen (hostname), sizeof (u->ut_host));
data/gdm3-3.38.2/daemon/gdm-session-record.c:158:43:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                         display_device + strlen ("/dev/"),
data/gdm3-3.38.2/daemon/gdm-session-worker.c:311:23:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                len = strlen (file) + 1;
data/gdm3-3.38.2/daemon/gdm-session-worker.c:312:27:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                pathlen = strlen (path);
data/gdm3-3.38.2/daemon/gdm-session-worker.c:732:44:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                memset (user_answer, '\0', strlen (user_answer));
data/gdm3-3.38.2/daemon/gdm-session-worker.c:818:61:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                                memset (replies[i].resp, 0, strlen (replies[i].resp));
data/gdm3-3.38.2/daemon/gdm-session.c:598:62:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                                name = g_strndup (base_name, strlen (base_name) - strlen (".desktop"));
data/gdm3-3.38.2/daemon/gdm-session.c:598:83:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                                name = g_strndup (base_name, strlen (base_name) - strlen (".desktop"));
data/gdm3-3.38.2/daemon/gdm-session.c:896:19:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                 (strlen (username)) ? username : "<unset>");
data/gdm3-3.38.2/daemon/gdm-session.c:898:41:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        gdm_session_select_user (self, (strlen (username) > 0) ? g_strdup (username) : NULL);
data/gdm3-3.38.2/daemon/gdm-session.c:972:13:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        if (strlen (language_name) > 0) {
data/gdm3-3.38.2/daemon/gdm-x-session.c:128:17:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120). Risk is low because the source is a
  constant string.
                strncpy (localhost, "localhost", sizeof (localhost) - 1);
data/gdm3-3.38.2/daemon/gdm-x-session.c:133:37:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        auth_entry.address_length = strlen (auth_entry.address);
data/gdm3-3.38.2/daemon/gdm-x-session.c:135:34:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        auth_entry.name_length = strlen (auth_entry.name);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:544:33:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
                                strncpy (ifreq.ifr_name, ifr[i].ifr_name, sizeof (ifreq.ifr_name));
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:838:25:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        status.length = strlen ((char *) status.data);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:888:25:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        status.length = strlen ((char *) status.data);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:1962:29:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        status.length     = strlen ((char *) status.data);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:2435:63:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                                authorization_name.length   = strlen ((char *) authorization_name.data);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:2538:26:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        status.length  = strlen ((char *) status.data);
data/gdm3-3.38.2/daemon/gdm-xdmcp-display-factory.c:3427:36:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        factory->servhost.length = strlen ((char *) factory->servhost.data);
data/gdm3-3.38.2/daemon/main.c:134:35:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        written = write (pf, pid, strlen (pid));
data/gdm3-3.38.2/daemon/test-session-client.c:78:16:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        answer[strlen (answer) - 1] = '\0';
data/gdm3-3.38.2/daemon/test-session-client.c:133:16:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        answer[strlen (answer) - 1] = '\0';
data/gdm3-3.38.2/libgdm/gdm-sessions.c:210:64:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                        char *base_name = g_strndup (filename, strlen (filename) - strlen ("-xorg.desktop"));
data/gdm3-3.38.2/libgdm/gdm-sessions.c:210:84:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                        char *base_name = g_strndup (filename, strlen (filename) - strlen ("-xorg.desktop"));
data/gdm3-3.38.2/libgdm/gdm-sessions.c:223:43:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                id = g_strndup (filename, strlen (filename) - strlen (".desktop"));
data/gdm3-3.38.2/libgdm/gdm-sessions.c:223:63:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                id = g_strndup (filename, strlen (filename) - strlen (".desktop"));
data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h:82:18:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        _size += strlen (_p); \
data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h:84:38:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                size_t _next_chunk = strlen (supported_extensions[_t]) + strlen (" "); \
data/gdm3-3.38.2/pam-extensions/gdm-pam-extensions.h:84:74:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
                size_t _next_chunk = strlen (supported_extensions[_t]) + strlen (" "); \
data/gdm3-3.38.2/pam_gdm/pam_gdm.c:50:27:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        if (r < 0 || r != strlen (cached_password))

ANALYSIS SUMMARY:

Hits = 108
Lines analyzed = 37381 in approximately 0.87 seconds (42984 lines/second)
Physical Source Lines of Code (SLOC) = 27869
Hits@level = [0]  33 [1]  43 [2]  46 [3]   7 [4]   8 [5]   4
Hits@level+ = [0+] 141 [1+] 108 [2+]  65 [3+]  19 [4+]  12 [5+]   4
Hits/KSLOC@level+ = [0+] 5.05938 [1+] 3.87527 [2+] 2.33234 [3+] 0.681761 [4+] 0.430586 [5+] 0.143529
Dot directories skipped = 1 (--followdotdir overrides)
Minimum risk level = 1
Not every hit is necessarily a security vulnerability.
There may be other security vulnerabilities; review your code!
See 'Secure Programming HOWTO'
(https://dwheeler.com/secure-programs) for more information.