#VU66817 Improper access control in CRI-O - CVE-2022-2995

Vulnerability identifier: #VU66817

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2995

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CRI-O
Server applications / Virtualization software

Vendor: CRI-O

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

CRI-O: 1.0.0 - 1.0.9, 1.8.0 - 1.8.5, 1.9.0 - 1.9.16, 1.10.0 - 1.10.6, 1.11.0 - 1.11.15, 1.12.0 - 1.12.10, 1.13.0 - 1.13.12, 1.14.0 - 1.14.12, 1.15.0 - 1.15.4, 1.16.0 - 1.16.6, 1.17.0 - 1.17.5, 1.18.0 - 1.18.6, 1.19.0 - 1.19.6, 1.20.0 - 1.20.9, 1.21.0 - 1.21.7, 1.22.0 - 1.22.5, 1.23.0 - 1.23.3, 1.24.0 - 1.24.2

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External links
https://github.com/cri-o/cri-o/releases/tag/v1.25.0

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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.