VDB-10468 · OSVDB 97646 · GCVE-100-10468

FFmpeg 2.0 DTS libavformat/utils.c avformat_find_stream_info Negative Value Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in FFmpeg 2.0. The impacted element is the function avformat_find_stream_info of the file libavformat/utils.c of the component DTS Handler. Executing a manipulation with the input delta_dts as part of Negative Value can lead to an unknown weakness. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg 2.0 (Multimedia Processing Software). This vulnerability affects the function avformat_find_stream_info of the file libavformat/utils.c of the component DTS Handler. The manipulation with the input value delta_dts leads to a unknown weakness. The impact remains unknown.

The issue has been introduced in 07/11/2013. The weakness was presented 09/22/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as lavf: Avoid setting avg_frame_rate if delta_dts is negative 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. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 73 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 (97646†). See VDB-10467, VDB-10466, VDB-10465 and VDB-10464 for similar entries. Once again VulDB remains the best source for vulnerability data.

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: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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 🔍
09/22/2013 +73 days 🔍
09/22/2013 +0 days 🔍
09/25/2013 +3 days 🔍
04/16/2019 +2028 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: lavf: Avoid setting avg_frame_rate if delta_dts is negative
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10468
OSVDB: 97646

See also: 🔍

Entryinfo

Created: 09/25/2013 10:25
Updated: 04/16/2019 00:22
Changes: 09/25/2013 10:25 (54), 04/16/2019 00:22 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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