VDB-11284 · OSVDB 100177

FFmpeg 2.1 libavcodec/vc1dec.c vc1_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

A vulnerability was found in FFmpeg 2.1 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function vc1_decode_frame of the file libavcodec/vc1dec.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 shared 11/21/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as vc1: fix a memleak. as confirmed git commit (GIT Repository). The advisory is shared for download at git.libav.org. The vendor cooperated in the coordination of the public release. There are known technical details, but no exploit is available.

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 entries 11288, 11287, 11286 and 11285 are related to this item.

Affected

  • FFmpeg 2.1
  • Libav 0.8.9

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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
ATT&CK: Unknown

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: vc1: fix a memleak.
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍
OSVDB: 100177

See also: 🔍

Entryinfo

Created: 11/27/2013 12:43
Updated: 04/17/2019 09:52
Changes: 11/27/2013 12:43 (50), 04/17/2019 09:52 (2)
Complete: 🔍
Committer: olku

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