Vulnerability Report

CVE-2021-21285

Title: Docker daemon crash with malformed image manifest

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2021-21285.

CWE Category CWE-754
Published Date Feb 02, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
0.35%

Vulnerability Summary

CVE-2021-21285: 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.

Impacted Vendors

R
redhat 1
N
netapp 1
S
synology 1
D
docker 1

Reference Links

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://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8 https://security.gentoo.org/glsa/202107-23 https://security.netapp.com/advisory/ntap-20210226-0005/ https://www.debian.org/security/2021/dsa-4865 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://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8 https://security.gentoo.org/glsa/202107-23 https://security.netapp.com/advisory/ntap-20210226-0005/ https://www.debian.org/security/2021/dsa-4865
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-21285 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.