Check Point Advisories

Internet Explorer CMarkupBehaviorContext use after free (MS13-021; CVE-2013-0089)

Check Point Reference: CPAI-2013-1328
Date Published: 12 Mar 2013
Severity: Critical
Last Updated: Thursday 09 January, 2025
Source: CVE-2013-0089
Protection Provided by:

Security Gateway
R70

  • R71
  • R75

    		•
    Who is Vulnerable? Internet Explorer 6 for Windows XP Service Pack 3
    Internet Explorer 6 for Windows XP Professional x64 Edition Service Pack 2
    Internet Explorer 6 for Windows Server 2003 Service Pack 2
    Internet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2
    Internet Explorer 6 for Windows Server 2003 with SP2 for Itanium-based Systems
    Internet Explorer 7 for Windows XP Service Pack 3
    Internet Explorer 7 for Windows XP Professional x64 Edition Service Pack 2
    Internet Explorer 7 for Windows Server 2003 Service Pack 2
    Internet Explorer 7 for Windows Server 2003 x64 Edition Service Pack 2
    Internet Explorer 7 for Windows Server 2003 with SP2 for Itanium-based Systems
    Internet Explorer 7 in Windows Vista Service Pack 2
    Internet Explorer 7 in Windows Vista x64 Edition Service Pack 2
    Internet Explorer 7 in Windows Server 2008 for 32-bit Systems Service Pack 2
    Internet Explorer 7 in Windows Server 2008 for x64-based Systems Service Pack 2
    Internet Explorer 7 Windows Server 2008 for Itanium-based Systems Service Pack 2
    Internet Explorer 8 for Windows XP Service Pack 3
    Internet Explorer 8 for Windows XP Professional x64 Edition Service Pack 2
    Internet Explorer 8 for Windows Server 2003 Service Pack 2
    Internet Explorer 8 for Windows Server 2003 x64 Edition Service Pack 2
    Internet Explorer 8 in Windows Vista Service Pack 2
    Internet Explorer 8 in Windows Vista x64 Edition Service Pack 2
    Internet Explorer 8 in Windows Server 2008 for 32-bit Systems Service Pack 2
    Internet Explorer 8 in Windows Server 2008 for x64-based Systems Service Pack 2
    Internet Explorer 8 in Windows 7 for 32-bit Systems
    Internet Explorer 8 in Windows 7 for 32-bit Systems Service Pack 1
    Internet Explorer 8 in Windows 7 for x64-based Systems
    Internet Explorer 8 in Windows 7 for x64-based Systems Service Pack 1
    Internet Explorer 8 in Windows Server 2008 R2 for x64-based Systems
    Internet Explorer 8 in Windows Server 2008 R2 for x64-based Systems Service Pack 1
    Internet Explorer 8 in Windows Server 2008 R2 for Itanium-based Systems
    Internet Explorer 8 in Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
    Internet Explorer 9 for Windows Vista Service Pack 2
    Internet Explorer 9 for Windows Vista x64 Edition Service Pack 2
    Internet Explorer 9 for Windows Server 2008 for 32-bit Systems Service Pack 2
    Internet Explorer 9 for Windows Server 2008 for x64-based Systems Service Pack 2
    Internet Explorer 9 for Windows 7 for 32-bit Systems
    Internet Explorer 9 for Windows 7 for 32-bit Systems Service Pack 1
    Internet Explorer 9 for Windows 7 for x64-based Systems
    Internet Explorer 9 for Windows 7 for x64-based Systems Service Pack 1
    Internet Explorer 9 for Windows Server 2008 R2 for x64-based Systems
    Internet Explorer 9 for Windows Server 2008 R2 for x64-based Systems Service Pack 1
    Internet Explorer 10 in Windows 8 for 32-bit Systems
    Internet Explorer 10 in Windows 8 for 64-bit Systems
    Internet Explorer 10 in Windows Server 2012
    Internet Explorer 10 in Windows RT
    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 AvaliableApply patches from: MS13-021

    Protection Overview

    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, Protection tab and select the version of your choice.

    Security Gateway R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Internet Explorer CMarkupBehaviorContext Use After Free Vulnerability protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:
    Attack Name: Web Client Enforcement Violation
    Attack Information: Internet Explorer CMarkupBehaviorContext Use After Free Vulnerability

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