VDB-9871 · OSVDB 95989 · GCVE-100-9871

FFmpeg up to 2.0 libavcodec/vc1dec.c vc1_decode_frame mb_height Local Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg up to 2.0. This issue affects the function vc1_decode_frame of the file libavcodec/vc1dec.c. This manipulation of the argument mb_height causes an unknown weakness. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg up to 2.0 (Multimedia Processing Software). It has been declared as problematic. Affected by this vulnerability is the function vc1_decode_frame of the file libavcodec/vc1dec.c. The manipulation of the argument mb_height with an unknown input leads to a unknown weakness. The impact remains unknown.

The weakness was released 08/05/2013 by Mateusz Jurczyk and Gynvael Coldwind as vc1: check mb_height validity as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. The public release was coordinated with the project team. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.libav.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 (95989†). Entries connected to this vulnerability are available at VDB-9872 and VDB-9868. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: git.libav.org

Timelineinfo

08/05/2013 🔍
08/05/2013 +0 days 🔍
08/09/2013 +4 days 🔍
05/08/2018 +1733 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: vc1: check mb_height validity
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9871
OSVDB: 95989

See also: 🔍

Entryinfo

Created: 08/09/2013 17:22
Updated: 05/08/2018 09:00
Changes: 08/09/2013 17:22 (46), 05/08/2018 09:00 (1)
Complete: 🔍
Committer: olku
Cache ID: 216:033:103

Be aware that VulDB is the high quality source for vulnerability data.

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