CVE-2023-27561

Publication date 3 March 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.0 · High

Score breakdown

runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

Status

Package Ubuntu Release Status
runc 23.04 lunar
Fixed 1.1.4-0ubuntu3.1
22.10 kinetic
Fixed 1.1.4-0ubuntu1~22.10.3
22.04 LTS jammy
Fixed 1.1.4-0ubuntu1~22.04.3
20.04 LTS focal
Fixed 1.1.4-0ubuntu1~20.04.3
18.04 LTS bionic
Fixed 1.1.4-0ubuntu1~18.04.2
16.04 LTS xenial
14.04 LTS trusty Ignored end of standard support

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Severity score breakdown

Parameter Value
Base score 7.0 · High
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H