ClamAV MS-ZIP buffer overflow
| clamav-mszip-bo (39169) |  High Risk |
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.
*CVSS:
| Base Score: | 6.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
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.
References:
- Apple Web site: About Security Update 2008-002.
- ClamAV Web site: ClamAV 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
- 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
- VUPEN/ADV-2008-0924: Apple Mac OS X Command Execution and Security Bypass Issues
Platforms Affected:
- Apple Mac OS X Server 10.5.2
- Clam Anti-Virus ClamAV 0.91.2
- Debian Debian Linux 4.0
- Gentoo Linux
- MandrakeSoft Mandrake Linux 2007
- MandrakeSoft Mandrake Linux 2007 X86_64
- MandrakeSoft Mandrake Linux 2007.1 X86_64
- MandrakeSoft Mandrake Linux 2007.1
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux 2008.0
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
Reported:
Dec 19, 2007
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.