VDB-10415 · OSVDB 97462

FFmpeg 2.0 Mid-Stream Codec Parameter Updater libavformat/vocdec.c ff_voc_get_packet 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

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.0 (Multimedia Processing Software). This issue affects the function ff_voc_get_packet of the file libavformat/vocdec.c of the component Mid-Stream Codec Parameter Updater. The manipulation of the argument Codec with an unknown input leads to a unknown weakness. The impact remains unknown.

The issue has been introduced in 07/11/2013. The weakness was published 09/16/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as vocdec: Don't update codec parameters mid-stream as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. The public release has been coordinated with the project team. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 67 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.

Similar entries are available at 10419, 10418, 10417 and 10416.

Affected

  • FFmpeg 2.0
  • Libav 9.9

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: 5.6
VulDB Meta Temp Score: 5.4

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

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
ATT&CK: Unknown

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 🔍
09/16/2013 +67 days 🔍
09/16/2013 +0 days 🔍
09/23/2013 +7 days 🔍
08/26/2017 +1433 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: vocdec: Don't update codec parameters mid-stream
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍
OSVDB: 97462

See also: 🔍

Entryinfo

Created: 09/23/2013 14:44
Updated: 08/26/2017 06:41
Changes: 09/23/2013 14:44 (53), 08/26/2017 06:41 (1)
Complete: 🔍

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