ClamAV MS-ZIP buffer overflow
| clamav-mszip-bo (39169) |
Description:
Clam AntiVirus (ClamAV) is vulnerable to a buffer overflow, caused by an of-by-one error in the MS-ZIP decompression code. A remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the system with elevated privileges.
Platforms Affected:
- Apple, Mac OS X Server 10.5.2
- Clam Anti-Virus, ClamAV 0.91.2
- Debian, Debian Linux 4.0
- Gentoo, Linux
- Mandriva, Corporate Server 3.0
- Mandriva, Corporate Server 3.0 X86_64
- Mandriva, Corporate Server 4.0
- Mandriva, Corporate Server 4.0 X86_64
- Mandriva, Linux 2007 X86_64
- Mandriva, Linux 2007
- Mandriva, Linux 2007.1
- Mandriva, Linux 2007.1 X86_64
- Mandriva, Linux 2008.0 X86_64
- Mandriva, Linux 2008.0
Remedy:
Upgrade to the latest version of Clam AntiVirus (0.92 or later), available from the ClamAV Web site. See References.
For Mac OS X:
Apply Security Update 2008-002, available from the Apple Web site. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Gain Access
References:
- Apple Web site, About Security Update 2008-002 at http://docs.info.apple.com/article.html?artnum=307562.
- ClamAV Web site, ClamAV Changelog at http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog.
- BID-26946: ClamAV 'mspack.c' Off-By-One Buffer Overflow Vulnerability
- CVE-2007-6336: Off-by-one error in ClamAV before 0.92 allows remote attackers to execute arbitrary code via a crafted MS-ZIP compressed CAB file.
- DSA-1435: clamav -- several vulnerabilities
- FrSIRT/ADV-2008-0924: Apple Mac OS X Command Execution and Security Bypass Issues
- GLSA-200712-20: ClamAV: Multiple vulnerabilities
- MDVSA-2008:003: Updated clamav packages fix multiple vulnerabilities
- SA28421: Kolab Server ClamAV Multiple Vulnerabilities
- SA29420: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1019150: Clam AntiVirus Off-by-one Bug in Processing MS-ZIP Compressed CAB Files Lets Remote Users Execute Arbitrary Code
- SUSE-SR:2008:001: SUSE Security Summary Report
Reported:
Dec 19, 2007
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net
