Description
Sendmail 8.10.0 through 8.11.5, and 8.12.0 beta, allows local users to modify process memory and possibly gain privileges via a large value in the 'category' part of debugger (-d) command line arguments, which is interpreted as a negative number.
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 4
- Sendmail 8.11/8.12 Debugger - Arbitrary Code Execution (1) EDB-21060 · local · Aug 17, 2001 · verified
- Sendmail 8.11/8.12 Debugger - Arbitrary Code Execution (2) EDB-21061 · local · Aug 17, 2001 · verified
- Sendmail 8.11/8.12 Debugger - Arbitrary Code Execution (3) EDB-21062 · local · Aug 17, 2001 · verified
- Sendmail 8.11/8.12 Debugger - Arbitrary Code Execution (4) EDB-21063 · local · Aug 17, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- MDKSA-2001:075 vendor-advisory
- SuSE-SA:2001:028 vendor-advisory
- sendmail-debug-signed-int-overflow(7016) vdb-entry
- 3163 vdb-entry
- CSSA-2001-032.0 vendor-advisory
- RHSA-2001:106 vendor-advisory
- IMNX-2001-70-032-01 vendor-advisory
- L-133 third-party-advisory government-resource
- 20010821 *ALERT* UPDATED BID 3163 (URGENCY 6.58): Sendmail Debugger Arbitrary Code Execution Vulnerability (fwd) mailing-list
- HPSBTL0112-007 vendor-advisory
- CLA-2001:412 vendor-advisory
- http://www.sendmail.org/8.11.html