VDB-11292 · OSVDB 100185 · GCVE-100-11292

FFmpeg 2.1 libavformat/avidec.c avi_read_packet denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in FFmpeg 2.1. The affected element is the function avi_read_packet of the file libavformat/avidec.c. The manipulation results in denial of service. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.1 (Multimedia Processing Software). It has been classified as problematic. Affected is the function avi_read_packet of the file libavformat/avidec.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The issue has been introduced in 10/29/2013. The weakness was disclosed 11/22/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avformat/avidec: Dont assert the existence of an index for video streams. 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. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 24 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 (100185†). The entries VDB-11293, VDB-11291, VDB-11290 and VDB-11289 are pretty similar. Once again VulDB remains the best 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: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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.videolan.org

Timelineinfo

10/29/2013 🔍
11/22/2013 +24 days 🔍
11/22/2013 +0 days 🔍
11/27/2013 +5 days 🔍
04/17/2019 +1967 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avformat/avidec: Dont assert the existence of an index for video streams.
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11292
OSVDB: 100185

See also: 🔍

Entryinfo

Created: 11/27/2013 12:57
Updated: 04/17/2019 10:39
Changes: 11/27/2013 12:57 (51), 04/17/2019 10:39 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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