VDB-175976 · CVE-2020-22030 · GCVE-0-2020-22030

FFmpeg 4.2 libavfilter/af_afade.c crossfade_samples_fltp heap-based overflow

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in FFmpeg 4.2. This impacts the function crossfade_samples_fltp of the file libavfilter/af_afade.c. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2020-22030. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in FFmpeg 4.2 (Multimedia Processing Software). It has been rated as critical. Affected by this issue is the function crossfade_samples_fltp of the file libavfilter/af_afade.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 05/28/2021. The advisory is shared for download at trac.ffmpeg.org. This vulnerability is handled as CVE-2020-22030. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
05/28/2021 +288 days 🔍
05/28/2021 +0 days 🔍
05/30/2021 +2 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: trac.ffmpeg.org
Status: Confirmed

CVE: CVE-2020-22030 (🔍)
GCVE (CVE): GCVE-0-2020-22030
GCVE (VulDB): GCVE-100-175976

Entryinfo

Created: 05/28/2021 06:30
Updated: 05/30/2021 12:54
Changes: 05/28/2021 06:30 (37), 05/30/2021 12:54 (2)
Complete: 🔍
Cache ID: 216::103