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.
7.0	$0-$5k	0.00

A vulnerability has been found in FFmpeg (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is the function decode_frame of the file kgv1dec.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 summary by CVE is:

The decode_frame function in the KVG1 decoder (kgv1dec.c) in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted media file.

The issue has been introduced in 06/23/2011. The weakness was disclosed 08/20/2012 as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. This vulnerability is known as CVE-2011-3945 since 10/01/2011. 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 424 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 69412 (FreeBSD : gstreamer-ffmpeg -- Multiple vulnerabilities in bundled libav (4d087b35-0990-11e3-a9f4-bcaec565249c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

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 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (69412). The entries 7165, 61721, 61720 and 61719 are pretty similar.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 0.7
• 0.7.1
• 0.7.2
• 0.7.3
• 0.7.6
• 0.7.7
• 0.7.8
• 0.7.9
• 0.7.11
• 0.8.0
• 0.8.1
• 0.8.2
• 0.8.5
• 0.8.6
• 0.8.7
• 0.8.8
• 0.8.10

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 69412
Nessus Name: FreeBSD : gstreamer-ffmpeg -- Multiple vulnerabilities in bundled libav (4d087b35-0990-11e3-a9f4-bcaec565249c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 831563
OpenVAS Name: Mandriva Update for ffmpeg MDVSA-2012:076 (ffmpeg)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: a02e8df973f5478ec82f4c507f5b5b191a5ecb6b

Timelineinfo

06/23/2011 🔍
10/01/2011 +100 days 🔍
08/20/2012 +324 days 🔍
08/20/2012 +0 days 🔍
08/20/2013 +365 days 🔍
08/21/2013 +1 days 🔍
03/23/2015 +579 days 🔍
12/12/2021 +2456 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.videolan.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3945 (🔍)
OVAL: 🔍
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/12/2021 08:21
Changes: 03/23/2015 16:50 (68), 04/15/2019 09:11 (1), 12/12/2021 08:21 (3)
Complete: 🔍

Discussion

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