FFmpeg 4.2 libavfilter/af_tremolo.c config_input buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg 4.2. It has been declared as critical. This impacts the function config_input of the file libavfilter/af_tremolo.c. Executing a manipulation can lead to buffer overflow. This vulnerability appears as CVE-2020-22026. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in FFmpeg 4.2 (Multimedia Processing Software). This vulnerability affects the function config_input of the file libavfilter/af_tremolo.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability.

The weakness was presented 05/27/2021. The advisory is shared for download at trac.ffmpeg.org. This vulnerability was named CVE-2020-22026. 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

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
05/27/2021 +287 days 🔍
05/27/2021 +0 days 🔍
05/29/2021 +2 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: trac.ffmpeg.org
Status: Confirmed

CVE: CVE-2020-22026 (🔍)
GCVE (CVE): GCVE-0-2020-22026
GCVE (VulDB): GCVE-100-175888

Entryinfo

Created: 05/27/2021 09:09
Updated: 05/29/2021 18:58
Changes: 05/27/2021 09:09 (37), 05/29/2021 18:58 (2)
Complete: 🔍
Cache ID: 216::103

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