#VU101383 Race condition in moby - CVE-2024-36621

Vulnerability identifier: #VU101383

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-36621

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
moby
Server applications / Virtualization software

Vendor: Moby project

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within builder/builder-next/adapters/snapshot/layer.go. A local user can exploit the race and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

moby: 25.0.0 - 25.0.4

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External links
https://gist.github.com/1047524396/5d44459edab5fafcdf86b43909b81135
https://github.com/moby/moby/blob/v25.0.5/builder/builder-next/adapters/snapshot/layer.go#L24
https://github.com/moby/moby/commit/37545cc644344dcb576cba67eb7b6f51a463d31e

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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.