SB2020112720 - Multiple vulnerabilities in Slurm

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Race condition (CVE-ID: CVE-2020-27746)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition in the xauth for X11 magic cookies when reading data on the /proc filesystem. A local user can exploit the race and gain unauthorized access to sensitive information.

2) Buffer overflow (CVE-ID: CVE-2020-27745)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the PMIx MPI plugin. A local user can run a specially crafted program to trigger buffer overflow in RPC implementation and execute arbitrary code on the system with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.debian.org/security/2021/dsa-4841
• https://www.schedmd.com/news.php