VDB-11737 · OSVDB 101826 · GCVE-100-11737

FFmpeg 2.1 Negative Offset libavcodec/adx.c avpriv_adx_decode_header 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 was found in FFmpeg 2.1. It has been classified as problematic. Affected by this vulnerability is the function avpriv_adx_decode_header of the file libavcodec/adx.c of the component Negative Offset Handler. This manipulation causes an unknown weakness. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg 2.1 (Multimedia Processing Software). Affected by this vulnerability is the function avpriv_adx_decode_header of the file libavcodec/adx.c of the component Negative Offset Handler. The impact remains unknown.

The issue has been introduced in 10/29/2013. The weakness was disclosed 01/03/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as adx: check that the offset is not negative as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The public release has been coordinated in cooperation with the project team. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 66 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.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 (101826†). The entries VDB-11741, VDB-11740, VDB-11739 and VDB-11738 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • FFmpeg 2.1
  • Libav 0.8.9

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.videolan.org

Timelineinfo

10/29/2013 🔍
01/03/2014 +66 days 🔍
01/03/2014 +0 days 🔍
01/08/2014 +5 days 🔍
04/18/2019 +1926 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: adx: check that the offset is not negative
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11737
OSVDB: 101826

See also: 🔍

Entryinfo

Created: 01/08/2014 16:29
Updated: 04/18/2019 06:39
Changes: 01/08/2014 16:29 (52), 04/18/2019 06:39 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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