FFmpeg 1.2 libavcodec/mmvideo.c mm_decode_inter input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg 1.2. The affected element is the function mm_decode_inter of the file libavcodec/mmvideo.c. The manipulation leads to input validation. This vulnerability is referenced as CVE-2013-3672. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg 1.2 (Multimedia Processing Software). It has been rated as problematic. This issue affects the function mm_decode_inter of the file libavcodec/mmvideo.c. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The mm_decode_inter function in mmvideo.c in libavcodec in FFmpeg before 1.2.1 does not validate the relationship between a horizontal coordinate and a width value, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) via crafted American Laser Games (ALG) MM Video data.

The issue has been introduced in 03/07/2013. The weakness was published 05/02/2013 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as not defined advisory (Website). The advisory is shared at ffmpeg.org. The public release has been coordinated with the project team. The identification of this vulnerability is CVE-2013-3672 since 05/24/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 56 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 70647 (GLSA-201310-12 : FFmpeg: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 1.2.1 eliminates this vulnerability. The upgrade is hosted for download at git.videolan.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84915), Tenable (70647), SecurityFocus (BID 60492†), OSVDB (94163†) and Secunia (SA53825†). Similar entries are available at VDB-5510, VDB-7875, VDB-7876 and VDB-7877. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70647
Nessus Name: GLSA-201310-12 : FFmpeg: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703003
OpenVAS Name: Debian Security Advisory DSA 3003-1 (libav - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FFmpeg 1.2.1
Patch: git.videolan.org

Timelineinfo

03/07/2013 🔍
04/30/2013 +54 days 🔍
05/02/2013 +2 days 🔍
05/07/2013 +5 days 🔍
05/24/2013 +17 days 🔍
06/09/2013 +16 days 🔍
06/09/2013 +0 days 🔍
06/10/2013 +1 days 🔍
06/14/2013 +4 days 🔍
06/14/2013 +0 days 🔍
08/19/2014 +431 days 🔍
05/14/2021 +2460 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: ffmpeg.org
Researcher: Mateusz Jurczyk, Gynvael Coldwind (j00ru)
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-3672 (🔍)
GCVE (CVE): GCVE-0-2013-3672
GCVE (VulDB): GCVE-100-9125

OVAL: 🔍

X-Force: 84915
SecurityFocus: 60492 - FFmpeg 'mm_decode_inter()' Function Denial of Service Vulnerability
Secunia: 53825 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 94163
Vulnerability Center: 45878 - FFmpeg Before 1.2.1 Remote DoS Vulnerability via Crafted American Laser Games MM Video Data, Medium

See also: 🔍

Entryinfo

Created: 06/14/2013 10:21
Updated: 05/14/2021 21:19
Changes: 06/14/2013 10:21 (83), 06/04/2017 10:57 (9), 05/14/2021 21:19 (3)
Complete: 🔍
Cache ID: 216:554:103

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