CVE-2021-21285
Public on 2021-02-02
Modified on 2021-12-02
Description
A flaw was found in Docker. Pulling an intentionally malformed Docker image manifest could lead to a crash of the `dockerd` daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | docker | 2021-11-11 | ALAS-2021-1550 | Fixed |
| Amazon Linux 2 - Docker Extra | docker | 2021-10-19 | ALAS2DOCKER-2021-001 | Fixed |
| Amazon Linux 2 - Ecs Extra | docker | 2023-10-18 | ALAS2ECS-2023-015 | Fixed |
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | docker | 2021-10-19 | ALAS2NITRO-ENCLAVES-2021-001 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |