Vulnerability identifier: #VU72320

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25173

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
containerd
Other software / Other software solutions

Vendor: containerd

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management where supplementary groups are not set up properly inside a container. A local user can use supplementary group access to bypass primary group restrictions and compromise the container.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

containerd: 1.6.0 - 1.6.17, 1.5.0 - 1.5.17, 1.4.0 - 1.4.13, 1.3.0 - 1.3.10, 1.2.0 - 1.2.14, 1.1.0 - 1.1.8, 1.0.0 - 1.0.3

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External links
http://github.com/containerd/containerd/releases/tag/v1.6.18
http://github.com/containerd/containerd/security/advisories/GHSA-hmfx-3pcx-653p
http://github.com/containerd/containerd/releases/tag/v1.5.18

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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.