VDB-11592 · OSVDB 101333 · GCVE-100-11592

FFmpeg 2.1 Uninitialized Memory libavcodec/mjpegdec.c ff_mjpeg_decode_sof 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 classified as problematic was found in FFmpeg 2.1. This impacts the function ff_mjpeg_decode_sof of the file libavcodec/mjpegdec.c of the component Uninitialized Memory Handler. The manipulation results in an unknown weakness. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg 2.1 (Multimedia Processing Software). Affected is the function ff_mjpeg_decode_sof of the file libavcodec/mjpegdec.c of the component Uninitialized Memory Handler. The impact remains unknown.

The issue has been introduced in 10/29/2013. The weakness was disclosed 12/13/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/mjpegdec: use mallocz for progressive blocks 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 45 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 (101333†). The entries VDB-11596, VDB-11595, VDB-11594 and VDB-11593 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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 🔍
12/13/2013 +45 days 🔍
12/13/2013 +0 days 🔍
12/24/2013 +11 days 🔍
04/17/2019 +1940 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/mjpegdec: use mallocz for progressive blocks
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11592
OSVDB: 101333

See also: 🔍

Entryinfo

Created: 12/24/2013 23:33
Updated: 04/17/2019 14:30
Changes: 12/24/2013 23:33 (52), 04/17/2019 14:30 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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