Executive Summary

Summary
Title Vulnerability in Vector Markup Language Could Allow Remote Code Execution (2544521)
Informations
Name MS11-052 First vendor Publication 2011-06-14
Vendor Microsoft Last vendor Modification 2011-07-12
Severity (Vendor) Critical Revision 1.1

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
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Detail

Severity Rating: Critical

Revision Note: V1.1 (July 12, 2011): Announced a change to detection logic and corrected bulletin replacement information for some affected configurations. There were no changes to the security update files. See the Update FAQ for details.

Summary: This security update resolves a privately reported vulnerability in the Microsoft implementation of Vector Markup Language (VML). This security update is rated Critical for Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on Windows clients; and Moderate for Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on Windows servers. Internet Explorer 9 is not affected by the vulnerability. The vulnerability could allow remote code execution if a user viewed a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

Original Source

Url : http://technet.microsoft.com/en-us/security/bulletin/ms11-052

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:12593
 
Oval ID: oval:org.mitre.oval:def:12593
Title: VML Memory Corruption Vulnerability
Description: The Vector Markup Language (VML) implementation in vgx.dll in Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "VML Memory Corruption Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2011-1266
Version: 10
Platform(s): Microsoft Windows XP
Microsoft Windows Server 2003
Microsoft Windows Vista
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows 7
Product(s): Microsoft Internet Explorer 6
Microsoft Internet Explorer 7
Microsoft Internet Explorer 8
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

OpenVAS Exploits

Date Description
2011-06-15 Name : Internet Explorer Vector Markup Language Remote Code Execution Vulnerability ...
File : nvt/secpod_ms11-052.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
72954 Microsoft IE Vector Markup Language (VML) Object Handling Memory Corruption

Snort® IPS/IDS

Date Description
2014-01-10 Microsoft Internet Explorer VML use after free attempt
RuleID : 19910 - Revision : 11 - Type : BROWSER-IE
2014-01-10 Microsoft Windows Vector Markup Language imagedata page deconstruction attempt
RuleID : 19242 - Revision : 13 - Type : BROWSER-IE
2014-01-10 Microsoft Windows Vector Markup Language imagedata page deconstruction attempt
RuleID : 19241 - Revision : 13 - Type : BROWSER-IE

Nessus® Vulnerability Scanner

Date Description
2011-06-15 Name : The remote Active Directory Certificate Services Web Enrollment server is vul...
File : microsoft_certsrv_anon_ms11-051.nasl - Type : ACT_ATTACK
2011-06-15 Name : Arbitrary code can be executed on the remote host through a web browser.
File : smb_nt_ms11-052.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2014-02-17 11:47:02
  • Multiple Updates
2014-01-19 21:30:42
  • Multiple Updates
2013-05-11 00:49:51
  • Multiple Updates