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MailEnable NTLM Authentication Denial of Service
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Secunia Advisory:
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SA24139
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Release Date:
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2007-02-14
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Last Update:
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2007-02-16
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Popularity:
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7,380 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | MailEnable Enterprise Edition 2.x
MailEnable Professional 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2007-0955
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Description:
mu-b has discovered a vulnerability in MailEnable, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within "NTLM_UnPack_Type3()" (MENTLM.DLL) when processing NTLM authentication data. This can be exploited e.g. to crash the IMAP or POP service via a specially crafted series of commands and data.
The vulnerability is confirmed in MailEnable Professional versions 2.35, 2.351, and 2.37. Other versions may also be affected.
Solution:
Restrict access to MailEnable's services.
Provided and/or discovered by:
mu-b
Changelog:
2007-02-15: Updated "Solution" and "Description" sections based on updated PoC by mu-b.
2007-02-16: Added CVE reference.
Original Advisory:
Full-Disclosure:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052427.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052439.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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