National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-6761 Detail

Current Description

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=dabea74d0e82ea80cd344f630497cafcb3ef872c
http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html Patch Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1912.html
http://www.debian.org/security/2015/dsa-3376
http://www.securityfocus.com/bid/77073
http://www.securitytracker.com/id/1033816
http://www.ubuntu.com/usn/USN-2770-1
http://www.ubuntu.com/usn/USN-2770-2
https://code.google.com/p/chromium/issues/detail?id=447860
https://code.google.com/p/chromium/issues/detail?id=532967
https://codereview.chromium.org/1376913003
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
https://security.gentoo.org/glsa/201603-09

Technical Details

Vulnerability Type (View All)

  • Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.8.1

Configuration 2 ( hide )
 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
45.0.2454.101


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6761
NVD Published Date:
10/15/2015
NVD Last Modified:
12/21/2018