VDB-10518 · OSVDB 97901 · GCVE-100-10518

FFmpeg 2.0 Sample Rate libavformat/riffdec.c ff_get_wav_header Invalid Sample Rate 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 was found in FFmpeg 2.0 and classified as problematic. This affects the function ff_get_wav_header of the file libavformat/riffdec.c of the component Sample Rate Handler. The manipulation as part of Invalid Sample Rate results in denial of service. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.0 (Multimedia Processing Software). It has been classified as critical. Affected is the function ff_get_wav_header of the file libavformat/riffdec.c of the component Sample Rate Handler. The manipulation as part of a Invalid Sample Rate leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The issue has been introduced in 07/11/2013. The weakness was presented 09/29/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as riffdec: Add sanity checks for the sample rate as confirmed git commit (GIT Repository). The advisory is available at git.libav.org. The public release was coordinated in cooperation with the vendor. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 80 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 (97901†). See VDB-10522, VDB-10521, VDB-10520 and VDB-10519 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • FFmpeg 2.0
  • Libav 9.9

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.libav.org

Timelineinfo

07/11/2013 🔍
09/29/2013 +80 days 🔍
09/29/2013 +0 days 🔍
10/01/2013 +2 days 🔍
04/16/2019 +2023 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: riffdec: Add sanity checks for the sample rate
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10518
OSVDB: 97901

See also: 🔍

Entryinfo

Created: 10/01/2013 15:03
Updated: 04/16/2019 08:28
Changes: 10/01/2013 15:03 (53), 04/16/2019 08:28 (2)
Complete: 🔍
Cache ID: 216:672:103

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