Bugtraq mailing list archives
Re: 2.4.x/Slackware Init script vulnerability
From: twiz - Perla Enrico <twi () boiate it>
Date: Wed, 18 Jul 2001 00:42:42 +0200 (CEST)
I' ve tested it on Slackware 7.0 with kernel 2.4.5 : twisterz:~# uname -r 2.4.5 twisterz:~# I' ve noticed that , while /var/run/utmp *is* world writable : twisterz:~# ls -l /var/run/utmp -rw-rw-rw- 1 root root 4608 Jul 17 02:27 /var/run/utmp twisterz:~# and also /var/run/gpm.pid is -rw-rw-rw-, *but* modules.dep isn' t writable twisterz:~# ls -l /lib/modules/`uname -r`/modules.dep -rw-r--r-- 1 root root 2688 Jul 16 19:36 /lib/modules/2.4.5/modules.dep twisterz:~# So it can't be edited, and the exploit can' t work 'cause you can't add/change lines to modules.dep. I'm going to download Slackware 8.0 and test on it, btw on slak 7.0 keep good the possibility of, as you said :
And of course with /var/run/utmp writeable, users can delete or
in
other ways manipulate their logins as they appear in w/who/finger/getlogin(), etc.
twiz - twiz () superdotati net or twi () boiate it - ./twlc
Current thread:
- Happy 3 month anniversary cfingerd remote bug! zen-parse (Jul 11)
- 2.4.x/Slackware Init script vulnerability josh (Jul 16)
- Re: 2.4.x/Slackware Init script vulnerability Derek Martin (Jul 17)
- Re: 2.4.x/Slackware Init script vulnerability Keith Owens (Jul 18)
- secure software philosophy (was Re: 2.4.x/Slackware Init script vulnerability) Derek Martin (Jul 18)
- Re: 2.4.x/Slackware Init script vulnerability Derek Martin (Jul 17)
- Re: 2.4.x/Slackware Init script vulnerability twiz - Perla Enrico (Jul 18)
- Re: 2.4.x/Slackware Init script vulnerability Radu-Adrian Feurdean (Jul 19)
- Re: 2.4.x/Slackware Init script vulnerability twiz - Perla Enrico (Jul 19)
- RE: 2.4.x/Slackware Init script vulnerability Jeev (Jul 19)
- 2.4.x/Slackware Init script vulnerability josh (Jul 16)