Microsoft IE MSXML Header Request Vulnerability

Overview

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iPolicy Networks Security Advisory


Date Discovered:	11/11/2008
Severity:	High
Applications Affected:	Microsoft Internet Explorer 4 Microsoft Internet Explorer 5 Microsoft Internet Explorer 6

Synopsis

Microsoft Internet Explorer is prone to a header request vulnerability because Microsoft XML Core Services handles transfer-encoding headers.

Recommended Actions

Update the patches as guided by vendor at :
http://www.microsoft.com/technet/security/bulletin/ms08-069.mspx

Threat Analysis

MSXML allows certain HTTP request fields to be set by clients, enabling session state corruption, leading to the possibility of information disclosure. The vulnerability could allow information disclosure if a user browses a Web site that contains specially crafted content or opens specially crafted HTML e-mail.

An attacker who successfully exploited this vulnerability could read data from a Web page in another domain in Internet Explorer.

References

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4033

Write-up by: Aditya Chaturvedi

Security Sites

“iPolicy is one of the most visionary firewall vendors in the firewall Magic Quadrant. Its architecture of a central session processing engine and multiple content blades that are able to block based on signatures, rules and so on is the closest to the network security ideal.”

Greg Young, John Pescatore
Magic Quadrant for Network Firewalls, 2H04, Gartner

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