|Check Point Reference:||CPAI-2013-1328|
|Date Published:||12 Mar 2013|
|Last Updated:||21 Dec 2016|
|Source:||Microsoft Security Bulletin MS13-021|
|Protection Provided by:||
|Who is Vulnerable?|| Internet Explorer 6|
Internet Explorer 7
Internet Explorer 8
Internet Explorer 9
Internet Explorer 10
|Vulnerability Description||A vulnerability exists when Internet Explorer attempts to access an object that has been deleted. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Remote code execution vulnerabilities exist in the way that Internet Explorer accesses an object in memory that has been deleted. An attacker could host a specially crafted website that is designed to exploit these vulnerability through Internet Explorer and then convince a user to view the website. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements.|
|Update/Patch Avaliable||Apply patches from: MS13-021|
IPS will detect and block specially crafted webpage using Internet Explorer.
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: Web Client Enforcement Violation.
Attack Information: Internet Explorer CMarkupBehaviorContext use after free (MS13-021)