Description
Heap-based buffer overflow in Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when archive scanning is enabled, allows remote attackers to trigger a denial of service (memory corruption) via a CHM file with an LZX decompression header that specifies a Window_size of 0.
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
- Sophos AntiVirus - '.CHM' File Heap Overflow (PoC) EDB-2910 · dos · Dec 10, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://www.sophos.com/support/knowledgebase/article/7609.html
- 1017132 vdb-entry
- ADV-2006-4239 vdb-entry
- 20061208 Sophos Antivirus CHM File Heap Overflow Vulnerability third-party-advisory
- 20816 vdb-entry
- 22591 third-party-advisory