VDB-11743 · OSVDB 101819 · GCVE-100-11743

FFmpeg 2.1 Header Reading libavformat/segafilm.c 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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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg 2.1. The affected element is an unknown function of the file libavformat/segafilm.c of the component Header Reading Handler. This manipulation causes denial of service. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.1 (Multimedia Processing Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the file libavformat/segafilm.c of the component Header Reading Handler. 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 availability.

The issue has been introduced in 10/29/2013. The weakness was presented 01/06/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as segafilm: fix leaks if reading the header fails as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release was coordinated in cooperation with the project team. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 69 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 (101819†). See VDB-11747, VDB-11746, VDB-11745 and VDB-11744 for similar entries. 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: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: 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 🔍
01/06/2014 +69 days 🔍
01/06/2014 +0 days 🔍
01/08/2014 +2 days 🔍
04/18/2019 +1926 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: segafilm: fix leaks if reading the header fails
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11743
OSVDB: 101819

See also: 🔍

Entryinfo

Created: 01/08/2014 17:05
Updated: 04/18/2019 07:28
Changes: 01/08/2014 17:05 (50), 04/18/2019 07:28 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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