ZDI-07-034: CA Multiple Product AV Engine CAB Filename Parsing Stack Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-07-034.html June 5, 2007 -- CVE ID: CVE-2007-2863 -- Affected Vendor: Computer Associates -- Affected Products: CA Anti-Virus eTrust EZ Antivirus CA Internet Security Suite 2007 eTrust Internet Security Suite eTrust EZ Armor CA Threat Manager CA Protection Suites CA Secure Content Manager CA Anti-Virus Gateway Unicenter Network and Systems Management BrightStor ARCserve Backup CA Common Services -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since November 30, 2006 by Digital Vaccine protection filter ID 4874. For further product information on the TippingPoint IPS: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of various Computer Associates products. The specific flaw exists in the parsing of .CAB archives. When a long filename contained in the .CAB is processed by vete.dll an exploitable stack overflow may occur. -- Vendor Response: Computer Associates has issued an update to correct this vulnerability. More details can be found at: http://supportconnectw.ca.com/public/antivirus/infodocs/caantivirus-secu ritynotice.asp -- Disclosure Timeline: 2006.11.08 - Vulnerability reported to vendor 2006.11.30 - Digital Vaccine released to TippingPoint customers 2007.06.05 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by an anonymous researcher. -- About the Zero Day Initiative (ZDI): Established by TippingPoint, a division of 3Com, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. 3Com does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, 3Com provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, 3Com provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is being sent by 3Com for the sole use of the intended recipient(s) and may contain confidential, proprietary and/or privileged information. Any unauthorized review, use, disclosure and/or distribution by any recipient is prohibited. If you are not the intended recipient, please delete and/or destroy all copies of this message regardless of form and any included attachments and notify 3Com immediately by contacting the sender via reply e-mail or forwarding to 3Com at postmaster (at) 3com (dot) com. [email concealed]