Clam AntiVirus (ClamAV) cli_scanpe() buffer overflow
| clamav-cliscanpe-bo (41789) |  High Risk |
Description:
Clam AntiVirus (ClavAV) is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the cli_scanpe() function in the libclamav/pe.c library. By creating a specially-crafted Upack executable, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash, once the Upack executable is scanned.
Platforms Affected:
- Clam Anti-Virus, ClamAV 0.92
- Clam Anti-Virus, ClamAV 0.92.1
- Debian, Debian Linux 4.0
- Gentoo, Linux
- Kolab, Kolab Server 2.0.4 and prior
- Kolab, Kolab Server 2.1.0 and prior
- Kolab, Kolab Server 2.2-rc2
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2008.0
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux 2008.1
- MandrakeSoft, Mandrake Linux 2008.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- Novell, Linux POS 9
- Novell, Open Enterprise Server
- Novell, Open Enterprise Server
- Novell, OpenSUSE 10.2
- Novell, OpenSUSE 10.3
- Novell, SLE SDK 10 SP1
- Novell, SUSE Linux Enterprise Server 10 SP1
- Novell, SUSE Linux Enterprise Server 10
- SuSE, SLE SDK 10
- SuSE, SuSE SLES 9
Remedy:
Upgrade to the latest version of Clam AntiVirus (0.93 or later), available from the Clam AntiVirus Web site. See References.
For Kolab Server:
Apply the appropriate patch for your system, as listed in Kolab Security Issue 20 20080416. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Gain Access
References:
- Clam AntiVirus Web site, Clam AntiVirus at http://www.clamav.net/.
- Kolab Security Issue 20 20080416, Kolab Server, ClamAV at http://kolab.org/security/kolab-vendor-notice-20.txt.
- Secunia Research 14/04/2008, ClamAV Upack Processing Buffer Overflow Vulnerability at http://secunia.com/secunia_research/2008-11/advisory/.
- BID-28756: ClamAV 'libclamav/pe.c' UPACK File Heap Based Buffer Overflow Vulnerability
- BID-28784: ClamAV 0.92.1 Multiple Vulnerabilities
- CVE-2008-1100: Buffer overflow in the cli_scanpe function in libclamav (libclamav/pe.c) for ClamAV 0.92 and 0.92.1 allows remote attackers to execute arbitrary code via a crafted Upack PE file.
- DSA-1549: clamav -- buffer overflows
- FrSIRT/ADV-2008-1218: ClamAV Upack Executable Processing Buffer Overflow Vulnerability
- GLSA-200805-19: ClamAV: Multiple vulnerabilities
- MDVSA-2008:088: Updated clamav packages fix multiple vulnerabilities
- SA29000: ClamAV Multiple Vulnerabilities
- SA29863: Kolab Server ClamAV Multiple Vulnerabilities
- SECTRACK ID: 1019837: Clam AntiVirus Buffer Overflow in cli_scanpe() Lets Remote Users Execute Arbitrary Code
- SUSE-SA:2008:024: clamav 0.93 security update
- US-CERT VU#858595: ClamAV upack heap buffer overflow vulnerability
Reported:
Apr 14, 2008
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