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TITLE:
libvpx Invalid Frame Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA42118

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42118/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42118

RELEASE DATE:
2010-11-13

DISCUSS ADVISORY:
http://secunia.com/advisories/42118/#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/42118/

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=42118

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 libvpx, which can be exploited
by malicious people to cause a DoS (Denial of Service) and
potentially compromise an application using the library.

The vulnerability is caused due to an error in the vp8 decoder when
processing invalid frames, which can be exploited to cause a memory
corruption.

SOLUTION:
Update to version 0.9.5.

PROVIDED AND/OR DISCOVERED BY:
Google credits Christoph Diehl.

ORIGINAL ADVISORY:
http://googlechromereleases.blogspot.com/2010/11/stable-channel-update.html
http://review.webmproject.org/gitweb?p=libvpx.git;a=commit;h=09bcc1f710ea65dc158639479288fb1908ff0c53

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.

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