Description
Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.
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
- nbSMTP 0.99 - 'util.c' Client-Side Command Execution EDB-1138 · remote · Aug 5, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://www.vuxml.org/freebsd/debbb39c-fdb3-11d9-a30d-00b0d09acbfc.html
- 16324 third-party-advisory
- nbsmtp-format-string(21674) vdb-entry
- http://people.freebsd.org/~niels/issues/nbsmtp-20050726.txt
- 14441 vdb-entry
- 16279 third-party-advisory