VDB-11695 · OSVDB 101557 · GCVE-100-11695

FFmpeg 2.1 libavcodec/iff.c decode_byterun 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. This affects the function decode_byterun of the file libavcodec/iff.c. This manipulation causes an unknown weakness. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

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

The issue has been introduced in 10/29/2013. The weakness was published 12/19/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/iff: warn about truncated input to decode_byterun() and clear remaining output as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release has been coordinated 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 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 51 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 (101557†). Similar entries are available at VDB-11699, VDB-11698, VDB-11697 and VDB-11696. Be aware that VulDB is the high quality source for 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 🔍
12/19/2013 +51 days 🔍
12/19/2013 +0 days 🔍
01/02/2014 +14 days 🔍
04/17/2019 +1931 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/iff: warn about truncated input to decode_byterun() and clear remaining output
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11695
OSVDB: 101557

See also: 🔍

Entryinfo

Created: 01/02/2014 15:25
Updated: 04/17/2019 17:54
Changes: 01/02/2014 15:25 (51), 04/17/2019 17:54 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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