VDB-10417 · OSVDB 97464 · GCVE-100-10417

FFmpeg 2.0 Position libavformat/omadec.c nprobe Remote Code Execution

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.0. Affected by this vulnerability is the function nprobe of the file libavformat/omadec.c of the component Position Handler. This manipulation causes an unknown weakness. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in FFmpeg 2.0 (Multimedia Processing Software) and classified as problematic. Affected by this vulnerability is the function nprobe of the file libavformat/omadec.c of the component Position Handler. The impact remains unknown.

The issue has been introduced in 07/11/2013. The weakness was disclosed 09/16/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as omadec: Properly check lengths before incrementing the position as confirmed git commit (GIT Repository). The advisory is shared at git.libav.org. The public release has been coordinated in cooperation with the project team. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 67 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.libav.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 (97464†). The entries VDB-10421, VDB-10420, VDB-10419 and VDB-10418 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

FFmpeg 2.0
Libav 9.9

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

License

open-source

Website

Product: https://ffmpeg.org/

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

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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Patch
Status: 🔍

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

Patch: git.libav.org

Timelineinfo

07/11/2013 🔍
09/16/2013 +67 days 🔍
09/16/2013 +0 days 🔍
09/23/2013 +7 days 🔍
04/15/2019 +2030 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: omadec: Properly check lengths before incrementing the position
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10417
OSVDB: 97464

See also: 🔍

Entryinfo

Created: 09/23/2013 17:20
Updated: 04/15/2019 21:25
Changes: 09/23/2013 17:20 (52), 04/15/2019 21:25 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.