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/fldiff-1.1+0/FavoritesMenu.cxx Examining data/fldiff-1.1+0/FavoritesMenu.h Examining data/fldiff-1.1+0/PtProcess.cxx Examining data/fldiff-1.1+0/DiffChooser.cxx Examining data/fldiff-1.1+0/FavoritesWindow.h Examining data/fldiff-1.1+0/DiffWindow.cxx Examining data/fldiff-1.1+0/FavoritesWindow.cxx Examining data/fldiff-1.1+0/DiffOpenWindow.h Examining data/fldiff-1.1+0/DiffChooser.h Examining data/fldiff-1.1+0/fldiff.cxx Examining data/fldiff-1.1+0/DiffView.h Examining data/fldiff-1.1+0/DiffOpenWindow.cxx Examining data/fldiff-1.1+0/PtProcess.h Examining data/fldiff-1.1+0/DiffView.cxx Examining data/fldiff-1.1+0/DiffWindow.h FINAL RESULTS: data/fldiff-1.1+0/DiffChooser.cxx:172:7: [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(dc->directory_, matchname); data/fldiff-1.1+0/DiffChooser.cxx:331:7: [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(directory_, filename_); data/fldiff-1.1+0/DiffChooser.cxx:342:5: [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(directory_, filename_); data/fldiff-1.1+0/DiffChooser.h:28:9: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/fldiff-1.1+0/DiffChooser.h:28:18: [4] (format) _snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/fldiff-1.1+0/DiffChooser.h:29:9: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. #define access _access data/fldiff-1.1+0/DiffView.cxx:560:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(number, linefmt_, firstline); data/fldiff-1.1+0/DiffView.cxx:567:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(number, linefmt_, secondline); data/fldiff-1.1+0/DiffView.cxx:953:10: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. if (!access(line, 0)) data/fldiff-1.1+0/DiffView.cxx:966:12: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. if (!access(line, 0)) data/fldiff-1.1+0/DiffView.cxx:990:10: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. if (!access(line, 0)) data/fldiff-1.1+0/DiffView.cxx:1002:12: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. if (!access(line, 0)) data/fldiff-1.1+0/DiffView.cxx:1018:14: [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. if (!pdiff.popen(command)) data/fldiff-1.1+0/DiffView.cxx:1030:11: [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. pfp.popen(command, "r"); data/fldiff-1.1+0/DiffView.cxx:1038:9: [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. pfp.popen(command, "r"); data/fldiff-1.1+0/DiffView.cxx:1483:7: [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(ptr, lines_[i]->right); data/fldiff-1.1+0/DiffView.cxx:1485:7: [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(ptr, lines_[i]->left); data/fldiff-1.1+0/DiffWindow.cxx:63:9: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/fldiff-1.1+0/DiffWindow.cxx:63:18: [4] (format) _snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/fldiff-1.1+0/DiffWindow.cxx:64:9: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. #define access _access data/fldiff-1.1+0/DiffWindow.cxx:834:5: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. snprintf(title_, sizeof(title_), "%s <-> %s - " VERSION, file1_, file2_); data/fldiff-1.1+0/DiffWindow.cxx:836:5: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. snprintf(title_, sizeof(title_), "r%s <-> %s - " VERSION, file2_ + 1, file1_); data/fldiff-1.1+0/DiffWindow.cxx:838:5: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. snprintf(title_, sizeof(title_), "repos <-> %s - " VERSION, file1_); data/fldiff-1.1+0/PtProcess.cxx:72:20: [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. FILE * CPtProcess::popen(const char *cmd, const char *mode) { data/fldiff-1.1+0/PtProcess.cxx:112:10: [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. _fpt=::popen(cmd,mode); data/fldiff-1.1+0/PtProcess.h:28:9: [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. FILE * popen (const char *cmd, const char *mode="r"); data/fldiff-1.1+0/FavoritesMenu.cxx:103:15: [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. if ((home = getenv("HOME")) != NULL) data/fldiff-1.1+0/PtProcess.cxx:99:8: [3] (shell) CreateProcess: This causes a new process to execute and is difficult to use safely (CWE-78). Specify the application path in the first argument, NOT as part of the second, or embedded spaces could allow an attacker to force a different program to run. if ( CreateProcess(NULL, (LPTSTR) cmd,NULL,NULL,TRUE, data/fldiff-1.1+0/PtProcess.cxx:99:8: [3] (shell) CreateProcess: This causes a new process to execute and is difficult to use safely (CWE-78). Specify the application path in the first argument, NOT as part of the second, or embedded spaces could allow an attacker to force a different program to run. if ( CreateProcess(NULL, (LPTSTR) cmd,NULL,NULL,TRUE, data/fldiff-1.1+0/DiffChooser.cxx:76:3: [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 filename[1024]; // Filename data/fldiff-1.1+0/DiffChooser.cxx:133:3: [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 matchname[1024], // Matching filename data/fldiff-1.1+0/DiffChooser.h:40:3: [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 directory_[1024];// Directory name data/fldiff-1.1+0/DiffChooser.h:41:3: [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 filename_[1024];// Cached filename data/fldiff-1.1+0/DiffView.cxx:143:2: [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(temp, lines_, count_ * sizeof(DiffLine *)); data/fldiff-1.1+0/DiffView.cxx:305:3: [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 number[255]; // Line number data/fldiff-1.1+0/DiffView.cxx:882:3: [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 command[1024]; // Diff command data/fldiff-1.1+0/DiffView.cxx:1033:11: [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). pfp.fopen(file2, "r"); data/fldiff-1.1+0/DiffView.cxx:1041:9: [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). pfp.fopen(file1, "r"); data/fldiff-1.1+0/DiffView.cxx:1192:8: [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(temp, lines_, count_ * sizeof(DiffLine *)); data/fldiff-1.1+0/DiffView.cxx:1304:15: [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). procFile1.fopen(file1, "r"); data/fldiff-1.1+0/DiffView.cxx:1305:15: [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). procFile2.fopen(file2, "r"); data/fldiff-1.1+0/DiffView.cxx:1308:2: [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 lineFile1[10240],lineFile2[10240]; data/fldiff-1.1+0/DiffView.cxx:1345:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(line, "%d", count_); data/fldiff-1.1+0/DiffView.cxx:1347:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(linefmt_, "%%%dd ", linenum_); data/fldiff-1.1+0/DiffView.h:61:3: [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 linefmt_[16]; // Line number format data/fldiff-1.1+0/DiffWindow.cxx:331:11: [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). dw->open(f1, f2); data/fldiff-1.1+0/DiffWindow.cxx:341:15: [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). dw->open(f1, f2); data/fldiff-1.1+0/DiffWindow.cxx:364:15: [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). dw->open(f2, f1); data/fldiff-1.1+0/DiffWindow.cxx:382:10: [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). dw->open(f1, f2); data/fldiff-1.1+0/DiffWindow.cxx:409:3: [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 nfile1[1024], // New first file data/fldiff-1.1+0/DiffWindow.cxx:428:11: [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). dw->open(nfile1, nfptr2); data/fldiff-1.1+0/DiffWindow.cxx:630:3: [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 filename[1024]; // Real second file data/fldiff-1.1+0/DiffWindow.cxx:673:3: [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 *files[100]; // Files data/fldiff-1.1+0/DiffWindow.cxx:782:3: [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 filename[1024]; // Real second file data/fldiff-1.1+0/DiffWindow.cxx:918:13: [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). DiffWindow::open(const char *f1, // I - First file data/fldiff-1.1+0/DiffWindow.h:40:3: [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 search_[1024], // Search text data/fldiff-1.1+0/DiffWindow.h:51:9: [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). void open(const char *f1, const char *f2); data/fldiff-1.1+0/FavoritesMenu.cxx:41:3: [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 name[255], // Preference name data/fldiff-1.1+0/FavoritesMenu.cxx:50:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(name, "favorite%02d", i); data/fldiff-1.1+0/FavoritesMenu.cxx:89:3: [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 name[255], // Preference name data/fldiff-1.1+0/FavoritesMenu.cxx:111:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(name, "favorite%02d", i); data/fldiff-1.1+0/FavoritesWindow.cxx:182:3: [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 name[32], // Preference name data/fldiff-1.1+0/FavoritesWindow.cxx:195:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(name, "favorite%02d", i); data/fldiff-1.1+0/FavoritesWindow.cxx:238:3: [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 name[32], // Preference name data/fldiff-1.1+0/FavoritesWindow.cxx:248:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(name, "favorite%02d", i); data/fldiff-1.1+0/FavoritesWindow.cxx:257:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(name, "favorite%02d", i); data/fldiff-1.1+0/PtProcess.cxx:62:20: [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). FILE * CPtProcess::fopen(const char *cmd, const char *mode) { data/fldiff-1.1+0/PtProcess.cxx:67:11: [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). _fpt = ::fopen(cmd,mode); data/fldiff-1.1+0/PtProcess.h:29:9: [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). FILE * fopen (const char *file, const char *mode="r"); data/fldiff-1.1+0/DiffChooser.cxx:91:16: [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). filename[strlen(filename) - 1] = '\0'; data/fldiff-1.1+0/DiffChooser.cxx:144:9: [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). i = strlen(val); data/fldiff-1.1+0/DiffChooser.cxx:166:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(matchname, val, sizeof(matchname) - 1); data/fldiff-1.1+0/DiffChooser.cxx:184:16: [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). min_match = strlen(val); data/fldiff-1.1+0/DiffChooser.cxx:200:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(matchname, file, sizeof(matchname) - 1); data/fldiff-1.1+0/DiffChooser.cxx:201:16: [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). max_match = strlen(matchname); data/fldiff-1.1+0/DiffChooser.cxx:315:21: [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). ptr = filename_ + strlen(filename_) - 3; data/fldiff-1.1+0/DiffChooser.cxx:328:19: [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). if (filename_[strlen(filename_) - 1] != '/') data/fldiff-1.1+0/DiffView.cxx:183:33: [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 (line->dleft && (leftlen = strlen(line->dleft)) > maxwidth_) data/fldiff-1.1+0/DiffView.cxx:188:35: [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). if (line->dright && (rightlen = strlen(line->dright)) > maxwidth_) data/fldiff-1.1+0/DiffView.cxx:780:31: [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). Fl::copy(buf, strlen(buf), 0); data/fldiff-1.1+0/DiffView.cxx:980:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(line, file1, sizeof(line) - 1); data/fldiff-1.1+0/DiffView.cxx:988:5: [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(ptr, "CVS", sizeof(line) - 1 - (ptr - line)); data/fldiff-1.1+0/DiffView.cxx:1000:7: [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(ptr, ".svn", sizeof(line) - 1 - (ptr - line)); data/fldiff-1.1+0/DiffView.cxx:1058:20: [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). ptr = line + strlen(line) - 1; data/fldiff-1.1+0/DiffView.cxx:1081:13: [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). filename[strlen(filename) - 1] = '\0'; data/fldiff-1.1+0/DiffView.cxx:1130:19: [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). ptr = filename + strlen(filename) - 1; data/fldiff-1.1+0/DiffView.cxx:1145:19: [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). ptr = filename + strlen(filename) - 1; data/fldiff-1.1+0/DiffView.cxx:1159:19: [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). ptr = filename + strlen(filename) - 1; data/fldiff-1.1+0/DiffView.cxx:1207:20: [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). line->end = strlen(line->dleft); data/fldiff-1.1+0/DiffView.cxx:1346:21: [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). linenum_ = (int)strlen(line); data/fldiff-1.1+0/DiffView.cxx:1458:19: [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). Fl::copy(buf, strlen(buf), 0); data/fldiff-1.1+0/DiffView.cxx:1481:69: [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). for (ptr = buf, i = select_start_; i <= select_end_; i ++, ptr += strlen(ptr)) data/fldiff-1.1+0/DiffView.cxx:1507:14: [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(lines_[i]->right); data/fldiff-1.1+0/DiffView.cxx:1509:14: [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(lines_[i]->left); data/fldiff-1.1+0/DiffWindow.cxx:319:10: [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). i = strlen(f2); data/fldiff-1.1+0/DiffWindow.cxx:320:10: [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). j = strlen(dow->dc1()->directory()); data/fldiff-1.1+0/DiffWindow.cxx:352:12: [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). i = strlen(f1); data/fldiff-1.1+0/DiffWindow.cxx:353:12: [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). j = strlen(dow->dc2()->directory()); data/fldiff-1.1+0/DiffWindow.cxx:451:19: [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). Fl::copy(buf, strlen(buf), 1); data/fldiff-1.1+0/DiffWindow.cxx:559:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(dw->search_, s, sizeof(dw->search_) - 1); data/fldiff-1.1+0/DiffWindow.cxx:639:14: [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 (f2[strlen(f2) - 1] == '/') data/fldiff-1.1+0/DiffWindow.cxx:647:7: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(filename, f2, sizeof(filename) - 1); data/fldiff-1.1+0/DiffWindow.cxx:650:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(filename, f2, sizeof(filename) - 1); data/fldiff-1.1+0/DiffWindow.cxx:806:17: [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 (file2[strlen(file2) - 1] == '/') data/fldiff-1.1+0/DiffWindow.cxx:814:7: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(filename, file2, sizeof(filename) - 1); data/fldiff-1.1+0/DiffWindow.cxx:817:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(filename, file2, sizeof(filename) - 1); ANALYSIS SUMMARY: Hits = 106 Lines analyzed = 4614 in approximately 0.37 seconds (12437 lines/second) Physical Source Lines of Code (SLOC) = 3002 Hits@level = [0] 27 [1] 37 [2] 40 [3] 3 [4] 26 [5] 0 Hits@level+ = [0+] 133 [1+] 106 [2+] 69 [3+] 29 [4+] 26 [5+] 0 Hits/KSLOC@level+ = [0+] 44.3038 [1+] 35.3098 [2+] 22.9847 [3+] 9.66023 [4+] 8.66089 [5+] 0 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.