CVE-2020-27745 : What You Need to Know

Slurm before 19.05.8 and 20.x before 20.02.6 has an RPC Buffer Overflow in the PMIx MPI plugin.

Understanding CVE-2020-27745

Slurm, versions before 19.05.8 and 20.x before 20.02.6, is vulnerable to an RPC Buffer Overflow in the PMIx MPI plugin.

What is CVE-2020-27745?

This CVE refers to a vulnerability in Slurm that allows attackers to exploit an RPC Buffer Overflow in the PMIx MPI plugin.

The Impact of CVE-2020-27745

The vulnerability could be exploited by malicious actors to execute arbitrary code or cause a denial of service (DoS) on affected systems.

Technical Details of CVE-2020-27745

Slurm before 19.05.8 and 20.x before 20.02.6 are susceptible to an RPC Buffer Overflow in the PMIx MPI plugin.

Vulnerability Description

The vulnerability allows for potential buffer overflow attacks in the PMIx MPI plugin within Slurm versions mentioned.

Affected Systems and Versions

Slurm versions before 19.05.8
Slurm versions before 20.02.6

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger a buffer overflow in the PMIx MPI plugin, leading to potential code execution or DoS attacks.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-27745.

Immediate Steps to Take

Update Slurm to version 19.05.8 or 20.02.6, which contain patches for the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure that Slurm is regularly updated to the latest versions to protect against known vulnerabilities.