Description
Stack-based buffer overflow in the Back Orifice (BO) preprocessor for Snort before 2.4.3 allows remote attackers to execute arbitrary code via a crafted UDP packet.
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.
Metasploit 1 module
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Snort Back Orifice Pre-Preprocessor Buffer Overflow
exploit/linux/ids/snortbopre
Exploit-DB 5
- Snort Back Orifice - Pre-Preprocessor Remote (Metasploit) EDB-16834 · remote · Jul 3, 2010 · verified
- Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (3) EDB-1313 · remote · Nov 11, 2005 · verified
- Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (4) EDB-1314 · remote · Nov 11, 2005 · verified
- Snort 2.4.2 - Back Orifice Parsing Remote Buffer Overflow EDB-1272 · remote · Oct 25, 2005 · verified
- Snort 2.4.0 < 2.4.3 - Back Orifice Pre-Preprocessor Remote (Metasploit) EDB-10026 · remote · Oct 18, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VU#175500 third-party-advisory
- 20051025 Snort's BO pre-processor exploit mailing-list
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=362187&RenditionID=
- 15131 vdb-entry
- ADV-2005-2138 vdb-entry
- 17559 third-party-advisory
- 20051018 Snort Back Orifice Parsing Remote Code Execution third-party-advisory
- 20034 vdb-entry
- 20051101 Snort Back Orifice Preprocessor Exploit (Win32 targets) mailing-list
- http://www.snort.org/docs/change_logs/2.4.3/Changelog.txt
- 17220 third-party-advisory
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=363396&RenditionID=
- TA05-291A third-party-advisory
- 1015070 vdb-entry
- 17255 third-party-advisory