Title: [CAID 35395, 35396]: CA Anti-Virus Engine CAB File Buffer Overflow Vulnerabilities CA Vuln ID (CAID): 35395, 35396 CA Advisory Date: 2007-06-05 Reported By: ZDI Impact: Remote attackers can cause a denial of service or potentially execute arbitrary code. Summary: CA Anti-Virus engine contains multiple vulnerabilities that can allow a remote attacker to cause a denial of service or possibly execute arbitrary code. CA has issued an update to address the vulnerabilities. The first vulnerability, CVE-2007-2863, is due to insufficient bounds checking on filenames contained in a CAB archive. The second vulnerability, CVE-2007-2863, is due to insufficient bounds checking on the "coffFiles" field. By using a specially malformed CAB file, an attacker can cause a crash or take unauthorized action on an affected system. Mitigating Factors: None Severity: CA has given these vulnerabilities a High risk rating. Affected Products: CA Anti-Virus for the Enterprise (formerly eTrust Antivirus) r8, r8.1 CA Anti-Virus 2007 (v8) eTrust EZ Antivirus r7, r6.1 CA Internet Security Suite 2007 (v3) eTrust Internet Security Suite r1, r2 eTrust EZ Armor r1, r2, r3.x CA Threat Manager for the Enterprise (formerly eTrust Integrated Threat Management) r8 CA Protection Suites r2, r3 CA Secure Content Manager (formerly eTrust Secure Content Manager) 8.0 CA Anti-Virus Gateway (formerly eTrust Antivirus eTrust Antivirus Gateway) 7.1 Unicenter Network and Systems Management (NSM) r3.0 Unicenter Network and Systems Management (NSM) r3.1 Unicenter Network and Systems Management (NSM) r11 Unicenter Network and Systems Management (NSM) r11.1 BrightStor ARCserve Backup r11.5 BrightStor ARCserve Backup r11.1 BrightStor ARCserve Backup r11 for Windows BrightStor Enterprise Backup r10.5 BrightStor ARCserve Backup v9.01 CA Common Services CA Anti-Virus SDK (formerly eTrust Anti-Virus SDK) Affected Platforms: All Status and Recommendation: CA has issued content update 30.6 to address the vulnerabilities. The updated engine is provided with content updates. Ensure the latest content update is installed if the signature version is less than version 30.6. For BrightStor ARCserve Backup: 1. To update the signatures one time only, open a command window, change into the "C:\Program Files\CA\SharedComponents\ScanEngine" directory, and enter the following command: inodist /cfg inodist.ini 2. To update on a regular schedule: * Submit a GenericJob using the ARCserve Job Scheduler. Please search the BrightStor Administrator's Guide for 'Antivirus Maintenance' and follow the directions. Or * Use the above command line instruction with the AT Scheduler. Workaround: None References (URLs may wrap): CA SupportConnect: http://supportconnect.ca.com/ CA SupportConnect Security Notice for this vulnerability: Security Notice for CA products implementing the Anti-Virus engine http://supportconnectw.ca.com/public/antivirus/infodocs/caantivirus-securitynotice.asp CA Security Advisor posting: CA Anti-Virus Engine CAB File Buffer Overflow Vulnerabilities http://www.ca.com/us/securityadvisor/newsinfo/collateral.aspx?cid=144680 CAID: 35395, 35396 http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=35395 http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=35396 Reported By: ZDI ZDI Advisory: ZDI-07-034, ZDI-07-035 http://www.zerodayinitiative.com/advisories/ZDI-07-034.html http://www.zerodayinitiative.com/advisories/ZDI-07-035.html CVE References: CVE-2007-2863, CVE-2007-2864 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2863 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2864 OSVDB References: OSVDB-35244, OSVDB-35245 http://osvdb.org/35244 http://osvdb.org/35245 Changelog for this advisory: v1.0 - Initial Release Customers who require additional information should contact CA Technical Support at http://supportconnect.ca.com. For technical questions or comments related to this advisory, please send email to vuln AT ca DOT com. If you discover a vulnerability in CA products, please report your findings to vuln AT ca DOT com, or utilize our "Submit a Vulnerability" form. URL: http://www.ca.com/us/securityadvisor/vulninfo/submit.aspx Regards, Ken Williams ; 0xE2941985 Director, CA Vulnerability Research CA, 1 CA Plaza, Islandia, NY 11749 Contact http://www.ca.com/us/contact/ Legal Notice http://www.ca.com/us/legal/ Privacy Policy http://www.ca.com/us/privacy/ Copyright (c) 2007 CA. All rights reserved.