VDB-11287 · OSVDB 100180 · GCVE-100-11287

FFmpeg 2.1 matroskadec.c ebml_read_ascii 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 has been found in FFmpeg 2.1 and classified as problematic. Affected by this issue is the function ebml_read_ascii of the file libavformat/matroskadec.c. This manipulation causes denial of service. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in FFmpeg 2.1 (Multimedia Processing Software). Affected by this vulnerability is the function ebml_read_ascii of the file libavformat/matroskadec.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 issue has been introduced in 10/29/2013. The weakness was disclosed 11/21/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as matroskadec: pad EBML_BIN data. as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. The public release has been coordinated in cooperation with the project team. 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 23 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.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 (100180†). The entries VDB-11291, VDB-11290, VDB-11289 and VDB-11288 are pretty similar. 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: 6.1
VulDB Meta Temp Score: 5.8

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

Timelineinfo

10/29/2013 🔍
11/21/2013 +23 days 🔍
11/21/2013 +0 days 🔍
11/27/2013 +6 days 🔍
04/17/2019 +1967 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: matroskadec: pad EBML_BIN data.
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11287
OSVDB: 100180

See also: 🔍

Entryinfo

Created: 11/27/2013 12:50
Updated: 04/17/2019 10:00
Changes: 11/27/2013 12:50 (51), 04/17/2019 10:00 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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

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