Buffer overflow in Slurm - CVE-2020-27745
Published: November 27, 2020 / Updated: January 29, 2021
Vulnerability identifier: #VU50143
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-27745
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: SchedMD
Affected software:
Slurm
Slurm
Detailed vulnerability description
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.
How to mitigate CVE-2020-27745
Install updates from vendor's website.