Rule:

--
Sid:
2517

--
Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in the Microsoft implementation of the Private
Communications Transport (PCT) protocol.

--
Impact:
Execution of arbitrary code. Unauthorized administrative access to an
affected host.

--
Detailed Information:
A vulnerability exists in the handling of PCT requests that
can be manipulated to give an attacker the opportunity to execute
arbitrary code of their choosing leading to a possible remote
administrative compromize of an affected host.

The condition exists because of poor error handling routines in the
Microsoft Secure Sockets Layer (SSL) library.

--
Affected Systems:
	Microsoft Windows NT, 2000, 2003 and XP systems using PCT

--
Attack Scenarios:
An attcker needs to make a specially crafted PCT request to an affected system.

--
Ease of Attack:
Simple.

--
False Positives:
None known.

--
False Negatives:
None known.

--
Corrective Action:
Apply the appropriate vendor supplied patches

Disable the use of PCT

--
Contributors:
Sourcefire Research Team
Matt Watchinski <mwatchinski@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

--
Additional References:

--
