====================================================================== Secunia Research 01/04/2009 - UltraISO Image Name Parsing Format String Vulnerabilities - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 ====================================================================== 1) Affected Software * UltraISO 9.3.1.2633 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Less critical Impact: System compromise Where: Remote ====================================================================== 3) Vendor's Description of Software "UltraISO is a powerful and easy-to-use utility that can extract, create, edit, and convert CD/DVD image files. It can directly edit ISO files, make images from CD/DVD-ROMs, or create new one from files and folders on your computer.". Product Link: http://www.ezbsystems.com/ultraiso/index.html ====================================================================== 4) Description of Vulnerability Secunia Research has discovered two vulnerabilities in UltraISO, which can be exploited by malicious people to potentially compromise a user's system. 1) A format string error when handling DAA file names can be exploited by tricking a user into opening a file with a specially crafted name containing format specifiers. 2) A format string error when handling ISZ file names can be exploited by tricking a user into opening a file with a specially crafted name containing format specifiers. Successful exploitation may allow execution of arbitrary code. ====================================================================== 5) Solution Update to 9.3.3.2685. ====================================================================== 6) Time Table 03/11/2008 - Vendor notified. 05/11/2008 - Vendor response with updated version for testing. 06/11/2008 - Vendor informed that both vulnerabilities are fixed. 31/03/2009 - Secunia notices that the latest version is not affected. Vendor contacted to receive confirmation that the reported vulnerabilities are fixed in released version. 31/03/2009 - The vendor confirms having fixed the vulnerabilities. 01/04/2009 - Public disclosure. ====================================================================== 7) Credits Discovered by Dyon Balding, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2008-3871 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: http://secunia.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. http://secunia.com/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: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2008-48/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================