====================================================================== Secunia Research 21/11/2006 - My Firewall Plus Privilege Escalation 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 My Firewall Plus 5.0 Build 1119. NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Less critical Impact: Privilege Escalation Where: Local System ====================================================================== 3) Vendor's Description of Software "Corporate strength firewall for your personal PC". ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in My Firewall Plus, which can be exploited by malicious, local users to gain escalated privileges. The vulnerability is caused due to the application windows running with SYSTEM privileges and the application not checking if explorer.exe is running before performing certain actions. This can be exploited to launch iexplore.exe with SYSTEM privileges by terminating explorer.exe and then use the "Test Your Firewall" functionality. Successful exploitation allows execution of arbitrary commands with SYSTEM privileges. ====================================================================== 5) Solution Enable the password protection to reduce the risk. ====================================================================== 6) Time Table 03/08/2006 - Vendor notified. 03/08/2006 - Vendor response. 16/08/2006 - Vendor reminder sent. 11/10/2006 - Vendor reminder sent. 21/11/2006 - Public disclosure. ====================================================================== 7) Credits Discovered by Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2006-3973 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://corporate.secunia.com/ 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/ 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://corporate.secunia.com/secunia_research/33/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/secunia_vacancies/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/secunia_security_advisories/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2006-59/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ====================================================================== _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/