VDB-12159 · OSVDB 102894 · GCVE-100-12159

FFmpeg 2.1 libavcodec/takdec.c tak_decode_frame array index

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg 2.1. It has been rated as problematic. This issue affects the function tak_decode_frame of the file libavcodec/takdec.c. Performing a manipulation results in array index. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in FFmpeg 2.1 (Multimedia Processing Software). This affects the function tak_decode_frame of the file libavcodec/takdec.c. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 10/29/2013. The weakness was shared 01/31/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/takdec: always check bits_per_raw_sample as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The vendor cooperated in the coordination of the public release. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for 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 94 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.videolan.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 (102894†). The entry VDB-12589 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • FFmpeg 2.1
  • Libav 0.8.9

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
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.videolan.org

Timelineinfo

10/29/2013 🔍
01/31/2014 +94 days 🔍
01/31/2014 +0 days 🔍
02/06/2014 +6 days 🔍
04/18/2019 +1897 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/takdec: always check bits_per_raw_sample
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-12159
OSVDB: 102894

See also: 🔍

Entryinfo

Created: 02/06/2014 09:47
Updated: 04/18/2019 11:46
Changes: 02/06/2014 09:47 (51), 04/18/2019 11:46 (2)
Complete: 🔍
Cache ID: 216:643:103

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