CVE-2023-49933 : Security Advisory and Response

A vulnerability has been discovered in SchedMD Slurm versions 22.05.x, 23.02.x, and 23.11.x, allowing attackers to modify RPC traffic to bypass message hash checks.

Understanding CVE-2023-49933

This CVE relates to Improper Enforcement of Message Integrity During Transmission in a Communication Channel in SchedMD Slurm.

What is CVE-2023-49933?

CVE-2023-49933 involves a flaw in SchedMD Slurm that permits attackers to alter RPC traffic, evading message hash checks.

The Impact of CVE-2023-49933

The vulnerability enables malicious actors to manipulate communications within the affected versions of SchedMD Slurm.

Technical Details of CVE-2023-49933

The technical details include the description of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The issue stems from improper enforcement of message integrity during transmission, allowing unauthorized modifications to RPC traffic.

Affected Systems and Versions

SchedMD Slurm versions 22.05.x, 23.02.x, and 23.11.x are impacted by this vulnerability.

Exploitation Mechanism

Attackers leverage the flaw to tamper with RPC traffic, circumventing message hash verification.

Mitigation and Prevention

Learn about the immediate steps and long-term measures to enhance security and apply necessary patches and updates.

Immediate Steps to Take

Users should update to the fixed versions: 22.05.11, 23.02.7, and 23.11.1 to address the vulnerability.

Long-Term Security Practices

Implement network security best practices to mitigate potential threats and enhance overall system security.

Patching and Updates

Regularly apply security patches and updates to ensure system resilience against emerging vulnerabilities.