[PCWorks] Microsoft .NET Framework JIT Compiler Vulnerability
- From: "Clint Hamilton-PCWorks Admin" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
- To: "PCWorks@xxxxxxxxxxxxx" <pcworks@xxxxxxxxxxxxx>
- Date: Wed, 13 Oct 2010 04:51:52 -0500
TITLE:
Microsoft .NET Framework JIT Compiler Vulnerability
Criticality level: Highly critical
Impact: System access
Where: From remote
http://secunia.com/advisories/41751/
DESCRIPTION:
A vulnerability has been reported in Microsoft .NET Framework,
which
can be exploited by malicious people to compromise a vulnerable
system.
The vulnerability is caused due to an unspecified error in the
JIT
compiler while optimising code, which can be exploited to
corrupt
memory when a user visits a web page hosting a specially
crafted XBAP
(XAML browser application).
Successful exploitation allows execution of arbitrary code.
NOTE: This can also be exploited to break out of the ASP.NET
sandbox
with a specially crafted ASP.NET application.
The vulnerability only affects Microsoft .NET Framework 4.0 on
the
x64 and Itanium architectures.
SOLUTION:
Apply patches.
ORIGINAL ADVISORY:
MS10-077 (KB2160841):
http://www.microsoft.com/technet/security/bulletin/MS10-077.mspx
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