====================================================================== Secunia Research 28/07/2010 - Symantec Products wkssr.dll Record Parsing Buffer Overflows - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Description of Vulnerability.........................................3 Solution.............................................................4 Time Table...........................................................5 Credits..............................................................6 References...........................................................7 About Secunia........................................................8 Verification.........................................................9 ====================================================================== 1) Affected Software * Symantec Mail Security for Microsoft Exchange * Symantec Mail Security for Domino NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System compromise Where: Remote ====================================================================== 4) Description of Vulnerability Secunia Research has discovered two vulnerabilities in various Symantec products, which can be exploited by malicious people to compromise a vulnerable system. The vulnerabilities are caused by boundary errors in the SpreadSheet Lotus 123 reader (wkssr.dll) when parsing certain records. This can be exploited to cause stack-based buffer overflows via specially crafted files. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Update to a fixed version. ====================================================================== 6) Time Table 15/03/2010 - Vendor notified. 15/03/2010 - Vendor response. 16/04/2010 - Status update requested. 16/04/2010 - Vendor provides status update. 24/05/2010 - Status update requested. 24/05/2010 - Vendor provides status update. 16/06/2010 - Status update requested. 23/06/2010 - Vendor provides status update. 08/07/2010 - Status update requested. 08/07/2010 - Vendor provides status update. 28/07/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Carsten Eiram, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-0133 for the vulnerabilities. ====================================================================== 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: https://www.flexera.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security.advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: https://www.flexera.com/about-us/secunia-research/advisories/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: https://www.flexera.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: https://www.flexera.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: https://www.flexera.com/about-us/secunia-research/advisories/sr-2010-29.html Complete list of vulnerability reports published by Secunia Research: https://www.flexera.com/about-us/secunia-research/advisories/ ======================================================================