Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 542
Alerts This Week
Warning Icon 1 542

Gentoo: GLSA-201406-28 Normal: Libav Multiple DoS Issues

gentoo
Calendar Grey June 26, 2014
Scroller Gentoo
A series of security flaws found in Libav can enable malicious users to run unauthorized code or trigger Denial of Service attacks on Gentoo platforms.
Multiple vulnerabilities have been found in Libav, allowing attackers to execute arbitrary code or cause Denial of Service.

Summary

Multiple vulnerabilities have been discovered in Libav. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory gentoo code execution deny service normal severity libav media application

Resolution

All Libav users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-video/libav-0.8.7"
Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying these packages.

References

[ 1 ] CVE-2012-2772 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2772 [ 2 ] CVE-2012-2775 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2775 [ 3 ] CVE-2012-2776 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2776 [ 4 ] CVE-2012-2777 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2777 [ 5 ] CVE-2012-2779 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2779 [ 6 ] CVE-2012-2783 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2783 [ 7 ] CVE-2012-2784 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2784 [ 8 ] CVE-2012-2786 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2786 [ 9 ] CVE-2012-2787 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2787 [ 10 ] CVE-2012-2788 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2788 [ 11 ] CVE-2012-2789 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2789 [ 12 ] CVE-2012-2790 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2790 [ 13 ] CVE-2012-2791 http://nvd.nist.gov/nvd.cfm?cvena...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201406-28
style>.gentoo_availability{display:block;}

Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Libav: Multiple vulnerabilities
Date: June 26, 2014
Bugs: #439052, #452202, #470734
ID: 201406-28

Topics%20covered

Topics Covered

security advisory gentoo code execution deny service normal severity libav media application

Synopsis

Multiple vulnerabilities have been found in Libav, allowing attackersto execute arbitrary code or cause Denial of Service.

Background

Libav is a complete solution to record, convert and stream audio and video.

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-video/libav < 0.8.7 >= 0.8.7

Impact

===== A remote attacker could entice a user to open a specially crafted media file in an application linked against Libav, possibly resulting in execution of arbitrary code with the privileges of the application or a Denial of Service condition.

Workaround

There is no known workaround at this time.