#VU84783 Improper access control in Slurm - CVE-2023-49938

Vulnerability identifier: #VU84783

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-49938

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Slurm
Server applications / Remote management servers, RDP, SSH

Vendor: SchedMD

Description

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

The vulnerability exists due to improper access restrictions. A remote user can modify extended group list that is used with the sbcast subsystem, and open files with an unauthorized set of extended groups

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Slurm: 22.05.0.1 - 22.05.10.1, 23.02.0.1 - 23.02.6.1

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External links
https://lists.schedmd.com/pipermail/slurm-announce/2023/000103.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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