VDB-11288 · OSVDB 100181 · GCVE-100-11288

FFmpeg 2.1 libavcodec/h264.c decode_nal_units 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 was found in FFmpeg 2.1 and classified as problematic. This affects the function decode_nal_units of the file libavcodec/h264.c. Such manipulation leads to denial of service. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FFmpeg 2.1 (Multimedia Processing Software). Affected by this issue is the function decode_nal_units of the file libavcodec/h264.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, and availability.

The issue has been introduced in 10/29/2013. The weakness was presented 11/21/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as h264: check buffer size before accessing it as confirmed git commit (GIT Repository). The advisory is shared for download at git.libav.org. The public release was coordinated in cooperation with the vendor. 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 vulnerability is also documented in the vulnerability database at OSVDB (100181†). See VDB-11292, VDB-11291, VDB-11290 and VDB-11289 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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💳💳💳💳💳💳
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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: h264: check buffer size before accessing it
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11288
OSVDB: 100181

See also: 🔍

Entryinfo

Created: 11/27/2013 12:51
Updated: 04/17/2019 10:08
Changes: 11/27/2013 12:51 (50), 04/17/2019 10:08 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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