Microsoft Internet Explorer HTTP 1.1 URL Parsing Remote Buffer Overflow Vulnerability
Technical Description



A vulnerability has been identified in Microsoft Internet Explorer,which could be exploited by remote attackers to crash a vulnerablebrowser or take complete control of an affected system. This flaw isdue to a buffer overflow error when viewing a web site that uses HTTP1.1 compression and contains an overly long URL, which could beexploited by attackers to cause a denial of service or executearbitrary commands by convincing a user to visit a specially craftedWeb page.



Note : This vulnerability was introduced with MS06-042 patches.



Affected Products



Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4

Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows XP Service Pack 1



Solution



Disabling the HTTP 1.1 protocol :

http://support.microsoft.com/kb/923762/



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