Bugtraq mailing list archives
Re: Root shell vixie cron exploit
From: gvs () RINET RU (Seva Gluschenko)
Date: Wed, 1 Sep 1999 21:08:55 +0400
Message from Michal Zalewski at Jul 5 14:20 in parts: MZ> For script kiddiez, here's an exploit for recent vixie-cron vulnerability, MZ> giving instant root shell. Thought it will help script kiddies, but as MZ> Martin Schulze included almost step-by-step guide how to abuse Sendmail MZ> flags, this exploit won't bring anything shocking - simply, it's working MZ> example. man sendmail: /-C ...skipping... -Cfile Use alternate configuration file. Sendmail refuses to run as root if an alternate configuration file is specified. and it does, for sure %-). Just tested this on different versions of FreeBSD and had no effects except Mail Delivery message: The following address has permanent fatal errors: -C/tmp/vixie-cf gvs So, sendmail _really_ refuses to accept -C key when run as root SY, Seva Gluschenko, just stranger at the Road. | http://gvs.rinet.ru/ Cronyx Plus / RiNet network administrator. | GVS-RIPE | GVS3-RIPN
Current thread:
- Root shell vixie cron exploit Michal Zalewski (Jul 05)
- Re: Root shell vixie cron exploit Seva Gluschenko (Sep 01)
- Re: Root shell vixie cron exploit Michal Zalewski (Sep 01)
- Re: Root shell vixie cron exploit John Kennedy (Sep 03)
- Re: Root shell vixie cron exploit Peter Wemm (Sep 07)
- Re: Root shell vixie cron exploit Raymond Dijkxhoorn (Sep 07)
- Re: Root shell vixie cron exploit Christos Zoulas (Sep 03)
- [security-officer () FreeBSD ORG: FreeBSD-SA-99:01: BSD File Flags and Programming Techniques] Patrick Oonk (Sep 03)
- Re: Root shell vixie cron exploit Valentin Nechayev (Sep 04)
- gftp Oscar Haeger (Sep 05)
- Re: gftp - ms ftp debug mode Bencsath Boldizsar (Sep 08)
- fixing all buffer overflows --- random magin numbers Dr. Joel M. Hoffman (Sep 11)
- Re: Root shell vixie cron exploit Seva Gluschenko (Sep 01)