– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 202003-59
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: libvpx: User-assisted execution of arbitrary code
Date: March 26, 2020
Bugs: #701834
ID: 202003-59

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Synopsis
========

Multiple vulnerabilities have been found in libvpx, the worst of which
could result in the execution of arbitrary code.

Background
==========

libvpx is the VP8 codec SDK used to encode and decode video streams,
typically within a WebM format media file.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 media-libs/libvpx < 1.8.1 *>= 1.7.0-r1
*>= 1.8.1

Description
===========

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

Impact
======

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

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libvpx 1.7.x users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-libs/libvpx-1.7.0-r1”

All libvpx 1.8.x users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-libs/libvpx-1.8.1”

References
==========

[ 1 ] CVE-2019-9232
https://nvd.nist.gov/vuln/detail/CVE-2019-9232
[ 2 ] CVE-2019-9325
https://nvd.nist.gov/vuln/detail/CVE-2019-9325
[ 3 ] CVE-2019-9371
https://nvd.nist.gov/vuln/detail/CVE-2019-9371
[ 4 ] CVE-2019-9433
https://nvd.nist.gov/vuln/detail/CVE-2019-9433

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202003-59

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.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

—–BEGIN PGP SIGNATURE—–
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=FTTU
—–END PGP SIGNATURE—–