====================================================================== Secunia Research 18/12/2006 - MailEnable POP Service "PASS" Command Buffer Overflow - ====================================================================== 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 * MailEnable Enterprise Edition 2.35 * MailEnable Professional Edition 2.35 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System Compromise Where: Remote ====================================================================== 3) Vendor's Description of Software "MailEnable's mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows. MailEnable? offers stability, unsurpassed flexibility and an extensive feature set which allows you to provide cost-effective mail services". Product Link: http://mailenable.com/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in MailEnable, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error in the POP service when handling arguments passed to the "PASS" command. This can be exploited to cause a stack-based buffer overflow by passing an overly long, specially crafted string as argument to the affected command. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Apply hotfix: http://www.mailenable.com/hotfix/ME-10026.EXE ====================================================================== 6) Time Table 18/12/2006 - Vendor notified. 18/12/2006 - Vendor response and hotfix released. 18/12/2006 - Public disclosure. ====================================================================== 7) Credits Discovered by Carsten Eiram, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2006-6605 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/2006-75/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================