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MailEnable POP3 Pre-Authentication Buffer Overflow [MU-200603-01] March 20, 2006
Affected Product / Versions:
MailEnable Professional 1.7, 1.71, 1.72 MailEnable Standard 1.91, 1.92 MailEnable Enterprise 1.2 MailEnable 2.0 betas
"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."
A remote buffer overflow condition in MailEnable's POP3 service could allow for arbitrary code execution. The vulnerable code can be exercised remotely without authentication.
A second less critical bug was also reported and remedied. The bug involved a cryptographic implementation mistake that weakened authentication security.
Vendor Response / Solution:
Hotfix solution to this advisory: http://www.mailenable.com/hotfix/ME-10011.EXE
All hotfixes are available from: http://www.mailenable.com/hotfix
All versions have been updated to include the hotfix: http://www.mailenable.com/mailenablestandard.exe http://www.mailenable.com/mailenableprof.exe http://www.mailenable.com/mailenableent.exe
Mu Security would like to thank MailEnable in advance for timely remediation of these vulnerabilities.
This vulnerability was discovered by the Mu Security research team.
Mu Security is an early-stage innovator creating a new class of security analysis system. The company's mission is to widely deploy security analysis and reduce product and application vulnerabilities. Mu's founders include industry-recognized experts in the IDP, open source protocol analysis tools, ethical hacking, and network management markets The security analysis process and product solution provide a rigorous and streamlined methodology for verifying and improving the security readiness of any IP-based product or application. Mu Security, headquartered in Sunnyvale, California, is backed by preeminent venture capital firms including Accel Partners and Benchmark Capital.
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