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Windows Applications Insecure Library Loading

The Official, Verified Secunia List:
http://secunia.com/advisories/windows_insecure_library_loading/

The list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected.


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TITLE:
Microsoft .NET Framework JIT Compiler Vulnerability

SECUNIA ADVISORY ID:
SA41751

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/41751/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41751

RELEASE DATE:
2010-10-13

DISCUSS ADVISORY:
http://secunia.com/advisories/41751/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/41751/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=41751

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

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.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Jeroen Frijters, Sumatra.

ORIGINAL ADVISORY:
MS10-077 (KB2160841):
http://www.microsoft.com/technet/security/bulletin/MS10-077.mspx

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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