FFmpeg 2.0 H.264 memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in FFmpeg 2.0 and classified as problematic. This affects an unknown function of the component H.264 Handler. This manipulation causes memory corruption. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg 2.0 (Multimedia Processing Software). Affected by this vulnerability is an unknown part of the component H.264 Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The issue has been introduced in 07/11/2013. The weakness was published 02/06/2014 as avcodec/h264: Disallow pps_id changing between slices as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 210 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 databases at X-Force (91075) and Secunia (SA56838†). Similar entries are available at VDB-12293, VDB-12294, VDB-12296 and VDB-12297. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Unproven
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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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

07/11/2013 🔍
02/06/2014 +210 days 🔍
02/06/2014 +0 days 🔍
02/14/2014 +8 days 🔍
04/16/2019 +1887 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/h264: Disallow pps_id changing between slices
Status: Confirmed

GCVE (VulDB): GCVE-100-12295
X-Force: 91075 - FFmpeg H.264 denial of service, Medium Risk
Secunia: 56838 - FFmpeg Multiple Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 02/14/2014 09:17
Updated: 04/16/2019 10:52
Changes: 02/14/2014 09:17 (43), 04/16/2019 10:52 (8)
Complete: 🔍
Cache ID: 216:4C2:103