VDB-9472 · OSVDB 95042 · GCVE-100-9472

FFmpeg up to 1.2 libavcodec/evrcdec.c bl_intrp memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in FFmpeg up to 1.2. Affected by this issue is the function bl_intrp of the file libavcodec/evrcdec.c. Executing a manipulation can lead to memory corruption. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in FFmpeg up to 1.2 (Multimedia Processing Software) and classified as critical. This vulnerability affects the function bl_intrp of the file libavcodec/evrcdec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 05/04/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team 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 exploitation appears to be difficult. There are known technical details, but no exploit is available.

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 (95042†). The entries VDB-9476, VDB-9475, VDB-9474 and VDB-9473 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • FFmpeg
  • Libav

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Memory corruption
CWE: CWE-119
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

05/04/2013 🔍
05/04/2013 +0 days 🔍
07/12/2013 +69 days 🔍
05/07/2018 +1760 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.videolan.org
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9472
OSVDB: 95042

See also: 🔍

Entryinfo

Created: 07/12/2013 12:50
Updated: 05/07/2018 08:59
Changes: 07/12/2013 12:50 (48), 05/07/2018 08:59 (2)
Complete: 🔍
Committer:
Cache ID: 216::103

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