#VU72321 Improper Privilege Management in moby - CVE-2022-36109

Vulnerability identifier: #VU72321

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-36109

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
moby
Server applications / Virtualization software

Vendor: Moby project

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management caused by improper setup of supplementary groups. A local user can bypass primary group restrictions and compromise the container.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

moby: 20.10.0 - 20.10.18

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External links
https://github.com/moby/moby/security/advisories/GHSA-rc4r-wh2q-q6c4
https://github.com/moby/moby/commit/de7af816e76a7fd3fbf06bffa6832959289fba32
https://github.com/moby/moby/releases/tag/v20.10.18
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQQ4E3JBXVR3VK5FIZVJ3QS2TAOOXXTQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O7JL2QA3RB732MLJ3RMUXB3IB7AA22YU/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?