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| author | Corinna Vinschen <corinna@vinschen.de> | 2016-10-23 17:16:30 +0200 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2016-10-23 17:16:30 +0200 |
| commit | 79edb254aca9631fd1e83ac4fdfa27acdf564244 (patch) | |
| tree | 2d56e077e65274e91304390e2e71682fcdd2ae8d | |
| parent | 526107a7536c3ae8d7de2b38bc668b940f52ca35 (diff) | |
| download | cygnal-79edb254aca9631fd1e83ac4fdfa27acdf564244.tar.gz cygnal-79edb254aca9631fd1e83ac4fdfa27acdf564244.tar.bz2 cygnal-79edb254aca9631fd1e83ac4fdfa27acdf564244.zip | |
passwd: Fix potential buffer overflow
Fixes Coverity CID 66956
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
| -rw-r--r-- | winsup/utils/passwd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/winsup/utils/passwd.c b/winsup/utils/passwd.c index 8d9183875..aa8e8cc3a 100644 --- a/winsup/utils/passwd.c +++ b/winsup/utils/passwd.c @@ -592,7 +592,8 @@ main (int argc, char **argv) return SetModals (xarg, narg, iarg, Larg, server); } - strcpy (user, optind >= argc ? getlogin () : argv[optind]); + user[0] = '\0'; + strncat (user, optind >= argc ? getlogin () : argv[optind], UNLEN); /* Changing password for calling user? Use logonserver for user as well. */ if (!server && optind >= argc) |