33545 : MERCUR Messaging/Mailserver IMAP NTLM Authentication NTLMSSP Argument Remote Overflow
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2 1629 about 7 years ago almost 4 years ago 4 times 90%

Timeline

Disclosure Date
2007-03-20

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
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public, Exploit Commercial

Solution

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

Products

Atrium Software
MERCUR Mailserver
4.3 SP3
Messaging Server
2005 SP4

References

Tools & Filters

25118

Credit

  • mu-b - mu-bdigit-labs.org -

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2007-03-23 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

No Comments.

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