FFmpeg up to 1.2 libavcodec/bmv.c decode_bmv_frame Local Privilege Escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 1.2. It has been classified as problematic. Affected is the function decode_bmv_frame of the file libavcodec/bmv.c. The manipulation leads to an unknown weakness. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in FFmpeg up to 1.2 (Multimedia Processing Software) and classified as problematic. This issue affects the function decode_bmv_frame of the file libavcodec/bmv.c. The impact remains unknown.

The weakness was presented 04/04/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as bmv: check for len being valid in bmv_decode_frame() as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The public release was coordinated in cooperation with the project team. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (95362†). See VDB-9837, VDB-9836, VDB-9835 and VDB-9834 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

License

open-source

Website

Product: https://ffmpeg.org/

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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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: git.videolan.org

Timelineinfo

04/04/2013 🔍
04/04/2013 +0 days 🔍
08/06/2013 +124 days 🔍
05/08/2018 +1736 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: bmv: check for len being valid in bmv_decode_frame()
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9833
OSVDB: 95362

See also: 🔍

Entryinfo

Created: 08/06/2013 11:00
Updated: 05/08/2018 08:59
Changes: 08/06/2013 11:00 (47), 05/08/2018 08:59 (1)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.