CVE-2022-27650 Information

Description

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2066845 https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6 https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5