VDB-11975 · OSVDB 102150 · GCVE-100-11975

FFmpeg 2.1 Error wmalosslessdec.c decode_frame uninitialized resource

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. The impacted element is the function decode_frame of the file libavcodec/wmalosslessdec.c of the component Error Handler. The manipulation leads to uninitialized resource. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.1 (Multimedia Processing Software) and classified as problematic. This issue affects the function decode_frame of the file libavcodec/wmalosslessdec.c of the component Error Handler. The manipulation with an unknown input leads to a uninitialized resource vulnerability. Using CWE to declare the problem leads to CWE-908. The product uses or accesses a resource that has not been initialized. The impact remains unknown.

The issue has been introduced in 10/29/2013. The weakness was published 01/11/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/wmalosslessdec: shrink output on error so no uninitialized data is returned 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 is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 74 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 (102150†). Similar entries are available at VDB-11979, VDB-11978, VDB-11977 and VDB-11976. 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: Uninitialized resource
CWE: CWE-908
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 🔍
01/11/2014 +74 days 🔍
01/11/2014 +0 days 🔍
01/17/2014 +6 days 🔍
04/18/2019 +1917 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/wmalosslessdec: shrink output on error so no uninitialized data is returned
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11975
OSVDB: 102150

See also: 🔍

Entryinfo

Created: 01/17/2014 09:04
Updated: 04/18/2019 09:45
Changes: 01/17/2014 09:04 (52), 04/18/2019 09:45 (2)
Complete: 🔍
Cache ID: 216::103

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

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