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Vulnerability protection

Internet Explorer cumulative security update


Report ID: MS201112013
Date Published: 14 December 2011

Criticality: Important
Compromise Type: information-disclosure remote-code-execution
Compromise From: remote


Affected Product/Component:

Internet Explorer 6
Internet Explorer 7
Internet Explorer 8
Internet Explorer 9




Summary

The latest release of Internet Explorer cumulative security update addresses three vulnerabilities that could lead to information disclosure and remote code execution.



Detailed Description

Microsoft has released a cumulative security update for Internet Explorer to introduce fixes for three reported vulnerabilities. Two of the vulnerabilities could lead to information disclosure while the other one could lead to remote code execution.

One of the vulnerability was caused by the Internet Explorer XSS Filter incorrectly allowing content from different domain to be read through trial and error attacks. The other two was caused by improper handling of DLL files when loading, and incorrect rendering of web pages during certain processes.

All of the vulnerabilities has been patched through the latest update which sees modification in the behavior of Internet Explorer XSS Filter, correction in the way external libraries are loaded, and modification in the way content settings are enforced. Users are recommended to get the latest update in order to protect their system from potential exploits.

 



CVE Reference

CVE-2011-1992
CVE-2011-2019
CVE-2011-3404



Solution

Install the latest security patch for applicable system, available for download from (https://technet.microsoft.com/en-us/security/bulletin/ms11-099)




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