VDB-11684 · OSVDB 101539 · GCVE-100-11684

FFmpeg 2.1 libavformat/pva.c read_part_of_packet Remote Code Execution

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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in FFmpeg 2.1. This affects the function read_part_of_packet of the file libavformat/pva.c. Such manipulation leads to an unknown weakness. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.1 (Multimedia Processing Software). Affected by this issue is the function read_part_of_packet of the file libavformat/pva.c. The impact remains unknown.

The issue has been introduced in 10/29/2013. The weakness was shared 12/20/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avformat/pva: Make sure the first byte of pes_header_data has been initialized as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. The vendor cooperated in the coordination of the public release. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 52 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 (101539†). The entries VDB-11688, VDB-11687, VDB-11685 and VDB-11683 are related to this item. Once again VulDB remains the best source 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: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
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: Remote Code Execution
CWE: Unknown
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 🔍
12/20/2013 +52 days 🔍
12/20/2013 +0 days 🔍
01/02/2014 +13 days 🔍
04/17/2019 +1931 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avformat/pva: Make sure the first byte of pes_header_data has been initialized
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11684
OSVDB: 101539

See also: 🔍

Entryinfo

Created: 01/02/2014 15:13
Updated: 04/17/2019 16:54
Changes: 01/02/2014 15:13 (51), 04/17/2019 16:54 (1)
Complete: 🔍
Cache ID: 216:B03:103

Once again VulDB remains the best source for vulnerability data.

Discussion

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