VDB-10453 · SA54921 · OSVDB 97410

FFmpeg 2.0 Dimensions libavcodec/jpeg2000dec.c array index

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in FFmpeg 2.0. This vulnerability affects unknown code of the file libavcodec/jpeg2000dec.c of the component Dimensions Handler. This manipulation causes array index. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in FFmpeg 2.0 (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the file libavcodec/jpeg2000dec.c of the component Dimensions Handler. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. As an impact it is known to affect confidentiality, integrity, and availability.

The issue has been introduced in 07/11/2013. The weakness was presented 08/24/2013 by Michael Niedermayer as jpeg2000: check log2_cblk dimensions as confirmed advisory (Website). The advisory is shared at git.videolan.org. The public release was coordinated in cooperation with the project team. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by Piotr Bandurski (ami_stuff) and been published immediately after the advisory. It is possible to download the exploit at trac.ffmpeg.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 44 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.11.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (97410†) and Secunia (SA54921†). Additional details are provided at http://Patchwork jpeg2000: check log2_cblk dimensions. See VDB-10447, VDB-10448 and VDB-10452 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • FFmpeg 2.0
  • Libav 9.8

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Piotr Bandurski (ami_stuff)
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: FFmpeg 0.11.4
Patch: git.videolan.org

Timelineinfo

07/11/2013 🔍
08/24/2013 +44 days 🔍
08/24/2013 +0 days 🔍
08/28/2013 +4 days 🔍
09/19/2013 +22 days 🔍
09/24/2013 +5 days 🔍
04/15/2019 +2029 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: jpeg2000: check log2_cblk dimensions
Researcher: Michael Niedermayer
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10453
Secunia: 54921 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 97410

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/24/2013 15:40
Updated: 04/15/2019 23:38
Changes: 09/24/2013 15:40 (63), 04/15/2019 23:38 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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