VDB-11281 · OSVDB 100174 · GCVE-100-11281

FFmpeg up to 2.1 libavcodec/pcx.c pcx_decode_frame 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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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg up to 2.1. The affected element is the function pcx_decode_frame of the file libavcodec/pcx.c. This manipulation causes denial of service. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in FFmpeg up to 2.1 (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is the function pcx_decode_frame of the file libavcodec/pcx.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect confidentiality, and availability.

The weakness was released 11/21/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as pcx: round up in bits->bytes conversion in a buffer size check as confirmed git commit (GIT Repository). The advisory is shared at git.libav.org. The public release was coordinated with the project team. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.libav.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 (100174†). Entries connected to this vulnerability are available at VDB-11285, VDB-11284, VDB-11283 and VDB-11282. Several companies clearly confirm that VulDB is the primary source for best 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: 6.1
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
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.libav.org

Timelineinfo

11/21/2013 🔍
11/21/2013 +0 days 🔍
11/27/2013 +6 days 🔍
05/15/2018 +1630 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: pcx: round up in bits->bytes conversion in a buffer size check
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11281
OSVDB: 100174

See also: 🔍

Entryinfo

Created: 11/27/2013 12:27
Updated: 05/15/2018 10:18
Changes: 11/27/2013 12:27 (49), 05/15/2018 10:18 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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