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Secunia Security Advisory 46888

Secunia Security Advisory 46888
Posted Nov 22, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in FFmpeg, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.

tags | advisory, denial of service, vulnerability
SHA-256 | e79ab4d9fcdab789ea391c5c2aa7ca30438a40141819ed140605ad5ad2882199

Secunia Security Advisory 46888

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TITLE:
FFmpeg Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA46888

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46888/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46888

RELEASE DATE:
2011-11-22

DISCUSS ADVISORY:
http://secunia.com/advisories/46888/#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/46888/

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=46888

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:
Some vulnerabilities have been reported in FFmpeg, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise an application using the library.

1) An error within the QDM2 decoder (libavcodec/qdm2.c) can be
exploited to cause a buffer overflow.

2) An integer overflow error within the "vp3_dequant()" function
(libavcodec/vp3.c) can be exploited to cause a buffer overflow.

3) Errors within the "av_image_fill_pointers()", the
"vp5_parse_coeff()", and the "vp6_parse_coeff()" functions can be
exploited to trigger out-of-bounds reads.

The vulnerabilities are reported in versions prior to 0.7.8 and
0.8.7.

SOLUTION:
Update to version 0.7.8 or 0.8.7.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://ffmpeg.org/#pr7dot8and8dot7

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/

----------------------------------------------------------------------

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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