33545 : MERCUR Messaging/Mailserver IMAP NTLM Authentication NTLMSSP Argument Remote Overflow
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Info

Last Modified
33 minutes ago

Percent Complete
100%

Disclosure
Mar 20, 2007

Discovery
Unknown

Dates

Exploit
Mar 20, 2007

Solution
Unknown

Keywords

Description

 A remote overflow exists in Mercur Messaging/Mailserver. The IMAP service fails to provide proper boundary checking when processing NTLM data resulting in a stack-based overflow. With a specially crafted NTLM authentication request provided with a long NTLMSSP argument, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

 Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Technical

 The Mercur IMAP service runs by default as LOCAL SYSTEM, so an attacker could potentially gain complete control over the affected system.

Solution

 Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products
Atrium Software
Watch-list
MERCUR Mailserver
Watch-list
 4.3 SP3
Messaging Server
Watch-list
 2005 SP4

References

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 25118

Credit
  • mu-b - mu-bBrand New Doo Doodigit-labs.org -

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