VDB-10419 · OSVDB 97466 · GCVE-100-10419

FFmpeg 2.0 Bitrate Per Channel libavcodec/twinvqdec.c twinvq_decode_init Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in FFmpeg 2.0 and classified as problematic. This affects the function twinvq_decode_init of the file libavcodec/twinvqdec.c of the component Bitrate Per Channel Handler. Performing a manipulation results in an unknown weakness. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in FFmpeg 2.0 (Multimedia Processing Software). It has been classified as problematic. This affects the function twinvq_decode_init of the file libavcodec/twinvqdec.c of the component Bitrate Per Channel Handler. The impact remains unknown.

The issue has been introduced in 07/11/2013. The weakness was shared 09/17/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as twinvqdec: Check the ibps parameter separately as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. The vendor cooperated in the coordination of the public release. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 68 days. During that time the estimated underground price was around $0-$5k.

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 (97466†). The entries VDB-10423, VDB-10422, VDB-10421 and VDB-10420 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • FFmpeg 2.0
  • Libav 9.9

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

07/11/2013 🔍
09/17/2013 +68 days 🔍
09/17/2013 +0 days 🔍
09/23/2013 +6 days 🔍
04/15/2019 +2030 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: twinvqdec: Check the ibps parameter separately
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10419
OSVDB: 97466

See also: 🔍

Entryinfo

Created: 09/23/2013 17:20
Updated: 04/15/2019 21:37
Changes: 09/23/2013 17:20 (52), 04/15/2019 21:37 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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