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/proftpd-mod-clamav-0.14~rc2/mod_clamav.h
Examining data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c

FINAL RESULTS:

data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:303:3:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
  sprintf(scancmd, "SCAN %s\n", abs_filename);
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:67:3:  [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 buff[4096], *pt, *pt1;
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:154:3:  [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 buff[32];
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:228:8:  [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).
  fd = fopen(rel_filename, "r");
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:507:3:  [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 buf[PR_TUNABLE_PATH_MAX + 1];
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:762:33:  [2] (integer) atol:
  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).
  *((int *) c->argv[0]) = (int) atol(cmd->argv[1]);
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:779:5:  [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 ulong_max[80] = {'\0'};
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:780:5:  [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(ulong_max, "%lu", (unsigned long) ULONG_MAX);
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:810:5:  [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 ulong_max[80] = {'\0'};
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:811:5:  [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(ulong_max, "%lu", (unsigned long) ULONG_MAX);
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:294:20:  [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).
  scancmd = calloc(strlen(abs_filename) + 20, sizeof(char));
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:322:29:  [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).
  if (write(sockd, scancmd, strlen(scancmd)) <= 0) {
data/proftpd-mod-clamav-0.14~rc2/mod_clamav.c:377:5:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
    strncpy(server.sun_path, clamd_host, sizeof(server.sun_path));

ANALYSIS SUMMARY:

Hits = 13
Lines analyzed = 925 in approximately 0.03 seconds (27866 lines/second)
Physical Source Lines of Code (SLOC) = 611
Hits@level = [0]   1 [1]   3 [2]   9 [3]   0 [4]   1 [5]   0
Hits@level+ = [0+]  14 [1+]  13 [2+]  10 [3+]   1 [4+]   1 [5+]   0
Hits/KSLOC@level+ = [0+] 22.9133 [1+] 21.2766 [2+] 16.3666 [3+] 1.63666 [4+] 1.63666 [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.