FFmpeg up to 4.1 libavcodec/vqavideo.c vqa_decode_init array index

HistoryDiffjsonxmlCTI

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.
8.4	$0-$5k	0.00

A vulnerability was found in FFmpeg up to 4.1 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function vqa_decode_init of the file libavcodec/vqavideo.c. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_init in libavcodec/vqavideo.c.

The weakness was published 10/14/2019. This vulnerability was named CVE-2019-17542 since 10/14/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 4.2 eliminates this vulnerability.

Similar entry is available at VDB-143437.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

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: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / 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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 4.2
Patch: github.com

Timelineinfo

10/14/2019 🔍
10/14/2019 +0 days 🔍
10/14/2019 +0 days 🔍
01/08/2024 +1547 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 02f909dc24b1f05cfbba75077c7707b905e63cd2
Status: Not defined

CVE: CVE-2019-17542 (🔍)
See also: 🔍

Entryinfo

Created: 10/14/2019 08:17
Updated: 01/08/2024 11:44
Changes: 10/14/2019 08:17 (38), 10/14/2019 08:22 (18), 01/08/2024 11:36 (6), 01/08/2024 11:44 (1)
Complete: 🔍
Cache ID: 18:273:103