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| author | Anselm R. Garbe <arg@suckless.org> | 2007-01-13 14:09:41 +0100 |
|---|---|---|
| committer | Anselm R. Garbe <arg@suckless.org> | 2007-01-13 14:09:41 +0100 |
| commit | 6725bb2a3a425ffff9c2253d60c0f25513c78a93 (patch) | |
| tree | 47d0689fc98e1527f98bf86c2be408da7c1fc5d4 /slock.c | |
| parent | 11642443f520a3f7fe6ecfd7411bf18b3f2081d3 (diff) | |
| download | slock-6725bb2a3a425ffff9c2253d60c0f25513c78a93.tar.gz slock-6725bb2a3a425ffff9c2253d60c0f25513c78a93.tar.xz | |
fixed a potential buffer overflow bug on the stack (thanks to Ghassan Misherg)0.4
Diffstat (limited to 'slock.c')
| -rw-r--r-- | slock.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com> +/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com> * See LICENSE file for license details. */ #define _XOPEN_SOURCE 500 @@ -122,7 +122,7 @@ main(int argc, char **argv) { --len; break; default: - if(num && !iscntrl((int) buf[0])) { + if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) { memcpy(passwd + len, buf, num); len += num; } |