VDB-11772 · OSVDB 101813 · GCVE-100-11772

FFmpeg 2.1 libavcodec/flacdec.c decode_residuals 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 described as problematic has been identified in FFmpeg 2.1. This affects the function decode_residuals of the file libavcodec/flacdec.c. The manipulation results in an unknown weakness. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg 2.1 (Multimedia Processing Software). Affected is the function decode_residuals of the file libavcodec/flacdec.c. The impact remains unknown.

The issue has been introduced in 10/29/2013. The weakness was disclosed 01/07/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/flacdec: check rice_order against blocksize as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. The public release has been coordinated in cooperation with the vendor. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 70 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 (101813†). The entries VDB-11775, VDB-11774, VDB-11773 and VDB-11771 are pretty similar. Once again VulDB remains the best 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: 5.6
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 🔍
01/07/2014 +70 days 🔍
01/07/2014 +0 days 🔍
01/09/2014 +2 days 🔍
04/18/2019 +1925 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/flacdec: check rice_order against blocksize
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11772
OSVDB: 101813

See also: 🔍

Entryinfo

Created: 01/09/2014 11:00
Updated: 04/18/2019 09:22
Changes: 01/09/2014 11:00 (50), 04/18/2019 09:22 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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