CVE-2021-21285
Published: 2 February 2021
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.
Priority
Status
Package | Release | Status |
---|---|---|
docker.io Launchpad, Ubuntu, Debian |
bionic |
Released
(20.10.7-0ubuntu1~18.04.1)
|
focal |
Released
(20.10.7-0ubuntu1~20.04.1)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Released
(20.10.7-0ubuntu1~21.04.1)
|
|
impish |
Not vulnerable
(20.10.7-0ubuntu1)
|
|
jammy |
Not vulnerable
(20.10.7-0ubuntu1)
|
|
kinetic |
Not vulnerable
(20.10.7-0ubuntu1)
|
|
lunar |
Not vulnerable
(20.10.7-0ubuntu1)
|
|
mantic |
Not vulnerable
(20.10.7-0ubuntu1)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
- https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8
- https://docs.docker.com/engine/release-notes/#20103
- https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30
- https://github.com/moby/moby/releases/tag/v19.03.15
- https://github.com/moby/moby/releases/tag/v20.10.3
- https://ubuntu.com/security/notices/USN-5032-1
- https://ubuntu.com/security/notices/USN-5032-2
- https://www.cve.org/CVERecord?id=CVE-2021-21285
- NVD
- Launchpad
- Debian