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Mercur Messaging IMAP Service Multiple Buffer Overflows
Secunia Advisory: SA19267
Release Date: 2006-03-17
Last Update: 2007-03-29
Popularity: 9,415 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Unpatched

Software:Mercur Messaging 2005

Binary Analysis: BA71 :: Available for 1 Credit
BA74 :: Available for 1 Credit
BA70 :: Available for 1 Credit
BA75 :: Available for 1 Credit
BA76 :: Available for 1 Credit
BA73 :: Available for 1 Credit
BA77 :: Available for 1 Credit

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CVE reference:CVE-2006-1255


Description:
Some vulnerabilities have been discovered in Mercur Messaging 2005, which can be exploited by malicious people and malicious users to compromise a vulnerable system.

The vulnerabilities are caused due to boundary errors within the handling of various IMAP commands. These can be exploited to cause stack-based buffer overflows via overly long arguments passed to e.g. the LOGIN, SELECT, EXAMINE, STATUS, CREATE, DELETE, RENAME, LIST, LSUB, and UNSUBSCRIBE commands. Other commands may also be affected.

Successful exploitation allows arbitrary code execution.

The vulnerabilities are confirmed in versions 5.0 SP3 and SP4. Other versions may also be affected.

Solution:
Use another product.

Provided and/or discovered by:
Tim Taylor

Additional information provided by Secunia Research.

Changelog:
2006-03-21: Added CVE reference.
2007-03-29: Added additional information from Secunia Research.

Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/043972.html


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