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/vpnc-scripts-0.1~git20200930/netunshare.c

FINAL RESULTS:

data/vpnc-scripts-0.1~git20200930/netunshare.c:25:2:  [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(argv[0], argv);

ANALYSIS SUMMARY:

Hits = 1
Lines analyzed = 30 in approximately 0.01 seconds (3401 lines/second)
Physical Source Lines of Code (SLOC) = 24
Hits@level = [0]   1 [1]   0 [2]   0 [3]   0 [4]   1 [5]   0
Hits@level+ = [0+]   2 [1+]   1 [2+]   1 [3+]   1 [4+]   1 [5+]   0
Hits/KSLOC@level+ = [0+] 83.3333 [1+] 41.6667 [2+] 41.6667 [3+] 41.6667 [4+] 41.6667 [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.