Sophos Anti-Virus CAB file parsing buffer overflow
| sophos-cab-parsing-bo (26305) |  High Risk |
Description:
Sophos Anti-Virus is vulnerable to a heap-based buffer overflow, caused by improper validation of Microsoft CAB files. By creating a malicious CAB file containing invalid folder count header values, a remote attacker could overflow a buffer and execute arbitrary code on the system once the malicious file is scanned.
Consequences:
Gain Access
Remedy:
Refer to Sophos Support Knowledgebase Article 4934 for upgrade information. See References.
References:
- Full-Disclosure Mailing List, Mon May 08 2006 - 11:15:19 CDT: ZDI-06-012: Sophos Anti-Virus CAB Unpacking Code Execution Vulnerability.
- Sophos Support Knowledgebase Article 4934: Crafted Microsoft CAB file can allow arbitrary code to be run.
- ZDI-06-012: Sophos Anti-Virus CAB Unpacking Code Execution Vulnerability.
- BID-17876: Sophos Anti-Virus CAB File Scanning Remote Heap Overflow Vulnerability
- CVE-2006-0994: Multiple Sophos Anti-Virus products, including Anti-Virus for Windows 5.x before 5.2.1 and 4.x before 4.05, when cabinet file inspection is enabled, allows remote attackers to execute arbitrary code via a CAB file with invalid folder count values
- SA20028: Sophos Anti-Virus Cabinet File Processing Memory Corruption
- SECTRACK ID: 1016041: Sophos Anti-Virus Buffer Overflow in Parsing CAB Headers Lets Remote Users Execute Arbitrary Code
- VUPEN/ADV-2006-1730: Sophos AntiVirus Products Cabinet File Handling Memory Corruption Vulnerability
Platforms Affected:
- Sophos MailMonitor for Exchange 4.04 and prior
- Sophos MailMonitor for Notes/Domino 4.04 and prior
- Sophos MailMonitor for SMTP - Windows 4.04 and prior
- Sophos PureMessage for Windows/Exchange 5.2.0 and prior
- Sophos PureMessage Small Business Edition 4.04 and prior
- Sophos Sophos Anti-Virus for DOS/Windows 3.1 4.04 and prior
- Sophos Sophos Anti-Virus for Mac OS 8/9 4.04 and prior
- Sophos Sophos Anti-Virus for Mac OS X 4.7.1 and prior
- Sophos Sophos Anti-Virus for Netware 4.04 and prior
- Sophos Sophos Anti-Virus for OpenVMS 4.04 and prior
- Sophos Sophos Anti-Virus for OS/2 4.04 and prior
- Sophos Sophos Anti-Virus for Unix/Linux 4.04 and prior
- Sophos Sophos Anti-Virus for Win2000/XP/2003 4.04 and prior
- Sophos Sophos Anti-Virus for Win2000/XP/2003 5.2.0 and prior
- Sophos Sophos Anti-Virus for Win95/98/Me 4.04 and prior
- Sophos Sophos Anti-Virus for Win95/98/Me 4.5.11 and prior
- Sophos Sophos Anti-Virus for Windows NT 4.5.11 and prior
- Sophos Sophos Anti-Virus Small Business Edition 4.04 and prior
Reported:
May 08, 2006
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