VDB-11356 · SA55802 · OSVDB 100499

FFmpeg 2.0.1 Array libavcodec/g2meet.c g2m_init_buffers memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in FFmpeg 2.0.1. This issue affects the function g2m_init_buffers of the file libavcodec/g2meet.c of the component Array Handler. Executing a manipulation can lead to memory corruption. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg 2.0.1 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function g2m_init_buffers of the file libavcodec/g2meet.c of the component Array 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 confidentiality, integrity, and availability.

The weakness was released 09/21/2013 by Piotr Bandurski (ami_stuff) as avcodec/g2meet: Fix framebuf size as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. The public release was coordinated with the vendor. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

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 (100499†) and Secunia (SA55802†). Entries connected to this vulnerability are available at VDB-11348, VDB-11349, VDB-11350 and VDB-11351. Once again VulDB remains the best source for vulnerability data.

Affected

  • FFmpeg 2.0.1
  • Libav 9.9

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
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: 🔍

Upgrade: FFmpeg 2.1
Patch: git.videolan.org

Timelineinfo

09/21/2013 🔍
09/21/2013 +0 days 🔍
11/29/2013 +69 days 🔍
12/04/2013 +5 days 🔍
04/17/2019 +1960 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/g2meet: Fix framebuf size
Researcher: Piotr Bandurski (ami_stuff)
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11356
Secunia: 55802 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 100499

See also: 🔍

Entryinfo

Created: 12/04/2013 13:42
Updated: 04/17/2019 09:30
Changes: 12/04/2013 13:42 (55), 04/17/2019 09:30 (1)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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