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PostPosted: Thu Mar 26, 2020 7:26 pm    Post subject: [ GLSA 202003-59 ] libvpx Reply with quote

Gentoo Linux Security Advisory

Title: libvpx: User-assisted execution of arbitrary code (GLSA 202003-59)
Severity: normal
Exploitable: local, remote
Date: 2020-03-26
Bug(s): #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: media-libs/libvpx
Vulnerable: < 1.8.1
Unaffected: >= 1.7.0-r1 < 1.7.1
Unaffected: >= 1.8.1 < 1.8.2
Architectures: All supported architectures


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:
Code:
# 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libvpx-1.8.1"
   


References

CVE-2019-9232
CVE-2019-9325
CVE-2019-9371
CVE-2019-9433
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