VDB-11291 · OSVDB 100184 · GCVE-100-11291

FFmpeg 2.1 libavcodec/mjpegdec.c mjpeg_decode_app 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 was found in FFmpeg 2.1. It has been rated as problematic. Impacted is the function mjpeg_decode_app of the file libavcodec/mjpegdec.c. The manipulation leads to denial of service. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in FFmpeg 2.1 (Multimedia Processing Software) and classified as problematic. This issue affects the function mjpeg_decode_app of the file libavcodec/mjpegdec.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The issue has been introduced in 10/29/2013. The weakness was released 11/22/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/mjpegdec: check len in mjpeg_decode_app() more completely as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release was coordinated with the project team. Technical details of the vulnerability are known, but there is no available exploit. The advisory points out:

The issue is triggered when 'len' becomes negative.

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 (100184†). Entries connected to this vulnerability are available at VDB-11293, VDB-11292, VDB-11290 and VDB-11289. Statistical analysis made it clear that VulDB provides the best quality 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
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💳💳💳💳💳💳
💳💳💳💳💳💳
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: avcodec/mjpegdec: check len in mjpeg_decode_app() more completely
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11291
OSVDB: 100184

See also: 🔍

Entryinfo

Created: 11/27/2013 12:56
Updated: 04/17/2019 10:34
Changes: 11/27/2013 12:56 (52), 04/17/2019 10:34 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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

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