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CVE-2020-27352

nvd nist
Published: Jun 21, 2024Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitability: 2.0 / Impact: 6.0
Source: NVD

Description

When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify Delegate=yes - as a result systemd will move processes from the containers created and managed by these snaps into the cgroup of the main daemon within the snap itself when reloading system units. This may grant additional privileges to a container within the snap that were not originally intended.

Affected (5)

Canonical
2 products
Snapd
Ubuntu Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Snapd
Before 2.48.3
Configuration B
4 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 16.04
Ubuntu Linux
Version 18.04
Ubuntu Linux
Version 20.04
Ubuntu Linux
Version 20.10

Related CWEs

CWE-269
Improper Privilege Management
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

References (6)

Source: security@ubuntu.com
ExploitIssue Tracking
Source: security@ubuntu.com
Vendor Advisory
Source: security@ubuntu.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.