VDB-10513 · OSVDB 97896

FFmpeg 2.0 Palette libavcodec/pcx.c pcx_decode_frame Missing Palette 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

A vulnerability classified as critical was found in FFmpeg 2.0 (Multimedia Processing Software). Affected by this vulnerability is the function pcx_decode_frame of the file libavcodec/pcx.c of the component Palette Handler. The manipulation as part of a Missing Palette 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 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 pcx: Consume the whole packet if giving up due to missing palette as confirmed git commit (GIT Repository). The advisory is shared at git.libav.org. The public release was coordinated in cooperation with the project team. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

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.

See 10517, 10516, 10515 and 10514 for similar entries.

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: 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: 🔍

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: pcx: Consume the whole packet if giving up due to missing palette
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍
OSVDB: 97896

See also: 🔍

Entryinfo

Created: 10/01/2013 12:52
Updated: 04/16/2019 07:22
Changes: 10/01/2013 12:52 (53), 04/16/2019 07:22 (2)
Complete: 🔍

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