FFmpeg 4.2.1 vf_fieldorder.c filter_frame buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in FFmpeg 4.2.1. Affected by this issue is the function filter_frame of the file libavfilter/vf_fieldorder.c. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2020-20901. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in FFmpeg 4.2.1 (Multimedia Processing Software). Affected is the function filter_frame of the file libavfilter/vf_fieldorder.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 09/20/2021 as 8264. The advisory is shared for download at trac.ffmpeg.org. This vulnerability is traded as CVE-2020-20901 since 08/13/2020. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Applying the patch 07050d7bdc32d82e53ee5bb727f5882323d00dba is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 07050d7bdc32d82e53ee5bb727f5882323d00dba

Timelineinfo

08/13/2020 🔍
09/20/2021 +403 days 🔍
09/20/2021 +0 days 🔍
09/29/2021 +9 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 8264
Status: Confirmed

CVE: CVE-2020-20901 (🔍)
GCVE (CVE): GCVE-0-2020-20901
GCVE (VulDB): GCVE-100-182964

Entryinfo

Created: 09/20/2021 21:56
Updated: 09/29/2021 12:17
Changes: 09/20/2021 21:56 (42), 09/29/2021 12:10 (7), 09/29/2021 12:17 (1)
Complete: 🔍
Cache ID: 216::103

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