CVE-2023-49935 Auth bypass in n/a

High 8.8 Published Updated

Attackers can bypass Slurm authentication by reusing root tokens, enabling privilege escalation and potential code execution on the slurmd process.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-49935?

CVE-2023-49935 is a high-severity authentication bypass vulnerability in n/a, published on 14 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in SchedMD Slurm 23.02.x and 23.11.x. There is Incorrect Access Control because of a slurmd Message Integrity Bypass. An attacker can reuse root-level authentication tokens during interaction with the slurmd process. This bypasses the RPC message hashes that protect against undesired MUNGE credential reuse. The fixed versions are 23.02.7 and 23.11.1.

Weakness: CWE-613

Which versions are affected by CVE-2023-49935?

It affects 1 product.

Products include Schedmd Slurm.

How do I fix CVE-2023-49935?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-49935 being exploited?

There is no known exploitation of CVE-2023-49935 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-49935, GHSA-r926-qjg2-q5jr, UBUNTU-CVE-2023-49935.

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