VDB-11359 · SA55802 · OSVDB 100502

FFmpeg 2.0.1 libavcodec/jpeg2000dec.c get_cox 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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FFmpeg 2.0.1. It has been classified as critical. The impacted element is the function get_cox of the file libavcodec/jpeg2000dec.c. This manipulation causes memory corruption. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in FFmpeg 2.0.1 (Multimedia Processing Software). Affected by this vulnerability is the function get_cox of the file libavcodec/jpeg2000dec.c. 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 confidentiality, integrity, and availability.

The weakness was shared 10/15/2013 by Piotr Bandurski (ami_stuff) as avcodec/jpeg2000dec: fix context consistency with too large lowres 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. Access to the local network is required for this attack. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.1 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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (100502†) and Secunia (SA55802†). The entries VDB-11348, VDB-11349, VDB-11350 and VDB-11351 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Affected

FFmpeg 2.0.1
Libav 9.10

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

2.0.1

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.6
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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: Partially

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FFmpeg 2.1
Patch: git.videolan.org

Timelineinfo

10/15/2013 🔍
10/15/2013 +0 days 🔍
11/29/2013 +45 days 🔍
12/04/2013 +5 days 🔍
04/17/2019 +1960 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/jpeg2000dec: fix context consistency with too large lowres
Researcher: Piotr Bandurski (ami_stuff)
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11359
Secunia: 55802 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 100502

See also: 🔍

Entryinfo

Created: 12/04/2013 13:54
Updated: 04/17/2019 09:38
Changes: 12/04/2013 13:54 (54), 04/17/2019 09:38 (1)
Complete: 🔍
Committer: olku
Cache ID: 216:CBD:103