FFmpeg 4.2.1 vf_convolution.c filter16_roberts integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 4.2.1. This issue affects the function filter16_roberts of the file libavfilter/vf_convolution.c. Performing a manipulation results in integer overflow. This vulnerability is reported as CVE-2021-38090. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg 4.2.1 (Multimedia Processing Software). It has been classified as critical. This affects the function filter16_roberts of the file libavfilter/vf_convolution.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 09/20/2021 as 8263. It is possible to read the advisory at trac.ffmpeg.org. This vulnerability is uniquely identified as CVE-2021-38090 since 08/04/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 99f8d32129dd233d4eb2efa44678a0bc44869f23 is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 99f8d32129dd233d4eb2efa44678a0bc44869f23

Timelineinfo

08/04/2021 🔍
09/20/2021 +47 days 🔍
09/20/2021 +0 days 🔍
09/29/2021 +9 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 8263
Status: Confirmed

CVE: CVE-2021-38090 (🔍)
GCVE (CVE): GCVE-0-2021-38090
GCVE (VulDB): GCVE-100-182967

Entryinfo

Created: 09/20/2021 21:58
Updated: 09/29/2021 13:04
Changes: 09/20/2021 21:58 (42), 09/29/2021 12:56 (1), 09/29/2021 13:04 (18)
Complete: 🔍
Cache ID: 216::103

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