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TITLE:
Microsoft .NET Framework / Silverlight Array Offset Vulnerability

SECUNIA ADVISORY ID:
SA44841

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44841/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44841

RELEASE DATE:
2011-06-14

DISCUSS ADVISORY:
http://secunia.com/advisories/44841/#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/44841/

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=44841

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 and
Silverlight, which can be exploited by malicious people to compromise
a vulnerable system.

The vulnerability is caused due to an input validation error when
passing values to trusted APIs. This can be exploited to access
memory in an unsafe manner via a specially crafted XAML Browser
Application (XBAP) or Silverlight application.

Successful exploitation allows execution of arbitrary code.

SOLUTION:
Apply patches.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Michael J. Liu.

ORIGINAL ADVISORY:
MS11-039 (KB2512827, KB2514842, KB2478656, KB2478657, KB2478658,
KB2478659, KB2478660, KB2478661, KB2478662, KB2478663):
http://www.microsoft.com/technet/security/Bulletin/MS11-039.mspx

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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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:
http://secunia.com/advisories/secunia_security_advisories/

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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