VDB-11394 · OSVDB 100535 · GCVE-100-11394

FFmpeg 2.1 libavcodec/hnm4video.c decode_interframe_v4 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in FFmpeg 2.1. This impacts the function decode_interframe_v4 of the file libavcodec/hnm4video.c. The manipulation results in memory corruption. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as very critical has been found in FFmpeg 2.1 (Multimedia Processing Software). Affected is the function decode_interframe_v4 of the file libavcodec/hnm4video.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. 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 11/22/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/hnm4video: check offset in decode_interframe_v4() more completely as confirmed git commit (GIT Repository). The advisory is available 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 launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/17/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 24 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 (100535†). The entries VDB-11398, VDB-11397, VDB-11396 and VDB-11395 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Memory corruption
CWE: 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 🔍
11/22/2013 +24 days 🔍
11/22/2013 +0 days 🔍
12/06/2013 +14 days 🔍
04/17/2019 +1958 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/hnm4video: check offset in decode_interframe_v4() more completely
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11394
OSVDB: 100535

See also: 🔍

Entryinfo

Created: 12/06/2013 11:59
Updated: 04/17/2019 11:09
Changes: 12/06/2013 11:59 (50), 04/17/2019 11:09 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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