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TITLE:
Microsoft Silverlight Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA49122

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49122/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49122

RELEASE DATE:
2012-05-08

DISCUSS ADVISORY:
http://secunia.com/advisories/49122/#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/49122/

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=49122

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:
Multiple vulnerabilities have been reported in Microsoft Silverlight,
which can be exploited by malicious people to compromise a user's
system.

1) Some errors exist when parsing TrueType fonts.

For more information see vulnerabilities #1 and #2:
SA49120

2) A double-free error when rendering XAML glyphs can be exploited
via a specially crafted Silverlight application.

NOTE: This vulnerability affects Silverlight version 4.x only.

Successful exploitation of the vulnerabilities allows execution of
arbitrary code.

SOLUTION:
Apply patches.

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

PROVIDED AND/OR DISCOVERED BY:
2) The vendor credits Alex Plaskett, MWR InfoSecurity.

ORIGINAL ADVISORY:
MS12-034 (KB2681578, KB2690729, KB2636927):
http://technet.microsoft.com/en-us/security/bulletin/ms12-034

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:
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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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