OpenShift Container Platform 4.10 update for CRI-O

1) Improper access control

EUVDB-ID: #VU66817

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2995

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to incorrect handling of the supplementary groups. A local user can bypass implemented security restrictions, leading to sensitive information disclosure or possible data modification.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.10 - 4.10.59

openshift-kuryr (Red Hat package): before 4.10.0-202305161315.p0.g8e4df8b.assembly.stream.el8

jenkins (Red Hat package): before 2.387.3.1684251986-1.el8

cri-o (Red Hat package): before 1.23.5-11.rhaos4.10.gitfc32aac.el8

External links

http://access.redhat.com/errata/RHSA-2023:3216

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.