Re: Buffer Overflow in Spider game

[Steve Kemp <steve () steve org uk>]

On Sun, Oct 03, 2004 at 12:05:23PM +0300, Security Team wrote:

> A vulnerability has been discovered in the game spider, an application
> contained in the Debian GNU/Linux distribution.
> The vulnerability allows a local attacker to gain elevated privileges by
> overflowing the -s parameter.
>
> Impact:
> The attacker can gain group privileges. By default "games".

  Neither Debian stable nor unstable contain any spider binaries
 setuid or setgid.

  Debian Stable   - spider 1.1-9:
uml201:~# ls -l /usr/X11R6/bin/*spider*
-rwxr-xr-x    1 root     root        53628 Dec 13  2001 /usr/X11R6/bin/round.spider
-rwxr-xr-x    1 root     root        54396 Dec 13  2001 /usr/X11R6/bin/small.spider
lrwxr-xr-x    1 root     root           27 Oct  4 19:23 /usr/X11R6/bin/spider -> /usr/X11R6/bin/round.spider

  Debian Unstable - spider 1.1-11:

skx@lappy:~$ ls -l /usr/X11R6/bin/*spider*
-rwxr-xr-x  1 root root 61048 2004-09-04 12:11 /usr/X11R6/bin/round.spider
-rwxr-xr-x  1 root root 57624 2004-09-04 12:11 /usr/X11R6/bin/small.spider
lrwxrwxrwx  1 root root    12 2004-10-04 20:10 /usr/X11R6/bin/spider -> round.spider


  You can find a list of setuid/setgid binaries contained in Debian
 stable and unstable at:

        http://www.setuid.org/

Steve
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