Description
Buffer overflow in the chpasswd command in the Change_passwd plugin before 4.0, as used in SquirrelMail, allows local users to gain root privileges via a long user name.
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 2
- SquirrelMail - 'chpasswd' Local Privilege Escalation (Brute Force) EDB-417 · local · Aug 25, 2004 · verified
- SquirrelMail - 'chpasswd' Local Buffer Overflow EDB-273 · local · Apr 20, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 11415 third-party-advisory
- 20040427 Re: Squirrelmail Chpasswod bof mailing-list
- 10166 vdb-entry
- squirrelmail-chpasswd-binary-bo(15889) vdb-entry
- http://www.squirrelmail.org/plugin_view.php?id=117
- 20040417 Squirrelmail Chpasswod bof mailing-list