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Insecure Library Loading
Moderately critical

WinGate IMAP Server Buffer Overflow Vulnerability

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Release Date:  2008-08-11    Last Update:  2008-08-13    Views:  4,824

Secunia Advisory SA31442

Where:

From remote

Impact:

DoS, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


João Antunes has discovered a vulnerability in WinGate, which can be exploited by malicious users to cause a DoS (Denial of Service) or to potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the processing of IMAP commands. This can be exploited to cause a heap-based buffer overflow by issuing an IMAP LIST command with an overly long argument.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 6.2.2.1137. Other versions may also be affected.


Solution:
Restrict mail access to trusted users only.

Provided and/or discovered by:
João Antunes

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: WinGate IMAP Server Buffer Overflow Vulnerability

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