Description
Linux-VServer 1.24 allows local users with root privileges on a virtual server to gain access to the filesystem outside the virtual server via a modified chroot-again exploit using the chmod command.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Linux VServer Project 1.2x - Chroot Breakout EDB-23658 · local · Feb 6, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20040206 Linux 2.4.24 with vserver 1.24 exploit mailing-list
- 9596 vdb-entry
- http://www.linux-vserver.org/index.php?page=ChangeLog
- 10816 third-party-advisory
- linux-vserver-gain-privileges(15073) vdb-entry
- 3875 vdb-entry