---------------------------------------------------------------------- Want a new job? http://secunia.com/secunia_security_specialist/ http://secunia.com/hardcore_disassembler_and_reverse_engineer/ International Partner Manager - Project Sales in the IT-Security Industry: http://corporate.secunia.com/about_secunia/64/ ---------------------------------------------------------------------- TITLE: AVG Anti-Virus UPX Processing Denial of Service SECUNIA ADVISORY ID: SA31290 VERIFY ADVISORY: http://secunia.com/advisories/31290/ CRITICAL: Moderately critical IMPACT: DoS WHERE: >From remote SOFTWARE: AVG Anti-Virus 8.x http://secunia.com/product/19381/ DESCRIPTION: Sergio ‘shadown’ Alvarez has reported a vulnerability in AVG Anti-Virus, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to a divide-by-zero error when processing UPX compressed executables. This can be exploited to cause the scanning engine to crash when scanning a specially crafted UPX compressed executable file. The vulnerability affects versions prior to 8.0.156. SOLUTION: Update to version 8.0.156 or later. PROVIDED AND/OR DISCOVERED BY: Sergio ‘shadown’ Alvarez ORIGINAL ADVISORY: AVG: http://www.grisoft.com/ww.94247 n.runs AG: http://www.nruns.com/advisories/%5Bn.runs-SA-2008%20004%5D%20-%20AVG%20Antivirus%20UPX%20parsing%20Divide%20by%20Zero%20Advisory.txt ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/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 ----------------------------------------------------------------------