====================================================================== Secunia Research 30/04/2010 - Internet Download Manager FTP Buffer Overflow Vulnerability - ====================================================================== 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 * Internet Download Manager version 5.18 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: Remote ====================================================================== 3) Vendor's Description of Software "Internet Download Manager (IDM) is a tool to increase download speeds by up to 5 times, resume and schedule downloads. Comprehensive error recovery and resume capability will restart broken or interrupted downloads due to lost connections, network problems, computer shutdowns, or unexpected power outages.". Product Link: http://www.internetdownloadmanager.com/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Internet Download Manager, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused by a boundary error when sending certain test sequences to an FTP server. This can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into downloading a file from a specially crafted FTP URI. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Update to version 5.19. ====================================================================== 6) Time Table 16/04/2010 - Vendor notified. 22/04/2010 - Vendor response. 27/04/2010 - Vendor releases fixed version. 30/04/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Stefan Cornelius, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-0995 for the vulnerability. ====================================================================== 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/2010-62/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================