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Microsoft Help and Support Center Remote Code Execution Vulnerability (2229593)
Information
Severity
Severity
Critical
Family
Family
Windows : Microsoft Bulletins
CVSSv2 Base
CVSSv2 Base
9.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
13 years ago
Modified
Modified
4 years ago
Summary
This host is missing a critical security update according to Microsoft Bulletin MS10-042.
Insight
Insight
The flaw is due to the error in 'MPC::HTML::UrlUnescapeW()' function within the Help and Support Center application (helpctr.exe) that does not properly check the return code of 'MPC::HexToNum()' when escaping URLs.
Affected Software
Affected Software
Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2003 Service Pack 2 and prior.
Solution
Solution
The vendor has released updates. Please see the references for more information.