|Check Point Reference:||CPAI-2013-2918|
|Date Published:||8 Oct 2013|
|Last Updated:||9 Jan 2017|
|Protection Provided by:||
|Who is Vulnerable?|| Microsoft .NET Framework 2.0 Service Pack 2|
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5 Service Pack 1
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Microsoft .NET Framework 4.5
|Vulnerability Description||A denial of service vulnerability exists in the .NET Framework. The vulnerability is caused when the .NET Framework attempts to parse a specially crafted document type definition (DTD) for XML data when an XML digital signature is validated. An attacker who successfully exploited this vulnerability could cause the server to crash or become unresponsive.|
|Update/Patch Avaliable||Apply patches from: MS13-082|
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: Content Protection Violation.
Attack Information: Microsoft .NET Framework Entity Expansion Denial of Service (MS13-082)