---------------------------------------------------------------------- Secunia CSI + Microsoft SCCM ----------------------- = Extensive Patch Management http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ ---------------------------------------------------------------------- TITLE: ClamAV Scanning Bypass and Memory Corruption SECUNIA ADVISORY ID: SA39329 VERIFY ADVISORY: http://secunia.com/advisories/39329/ DESCRIPTION: A weakness and a vulnerability have been reported in ClamAV, which can be exploited by malicious people to bypass the scanning functionality or potentially compromise a vulnerable system. 1) An error when processing archives can be exploited to bypass the anti-virus scanning functionality via specially crafted CAB files. 2) An error exists within the "qtm_decompress()" function in libclamav/mspack.c. This can be exploited to cause a memory corruption when a specially crafted Quantum-compressed file is scanned. Successful exploitation of this vulnerability may allow execution of arbitrary code. The weakness and the vulnerability are reported in versions prior to 0.96. SOLUTION: Update to version 0.96. PROVIDED AND/OR DISCOVERED BY: 1) ReversingLabs Corp, reported via CERT-FI 2) Reported by Török Edwin in a ClamAV bug report. CHANGELOG: 2010-04-12: Added CVE reference. ORIGINAL ADVISORY: https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1826 https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1771 http://git.clamav.net/gitweb?p=clamav-devel.git;a=blob_plain;f=ChangeLog;hb=clamav-0.96 ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------