CVE-2021-31215 Code injection in n/a

High 8.8 Published 13 May 2021 Updated 3 Aug 2024

Remote attackers can execute arbitrary code as SlurmUser by exploiting environment mishandling in PrologSlurmctld or EpilogSlurmctld scripts.

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-2021-31215?

CVE-2021-31215 is a high-severity code injection vulnerability in Debian Debian Linux, published on 13 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SchedMD Slurm before 20.02.7 and 20.03.x through 20.11.x before 20.11.7 allows remote code execution as SlurmUser because use of a PrologSlurmctld or EpilogSlurmctld script leads to environment mishandling.

Which versions are affected by CVE-2021-31215?

It affects 3 products.

Linux distribution packages (21)

`slurm` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	All versions	`17.11.13-6.37.1`
`slurm` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	All versions	`18.08.9-3.19.1`
`slurm_20_02` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	All versions	`20.02.7-3.19.1`
`slurm_20_11` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	All versions	`20.11.7-3.11.1`
`slurm` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS	All versions	`17.11.13-6.37.1`
`slurm` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS	All versions	`18.08.9-3.19.1`
`slurm_20_02` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS	All versions	`20.02.7-3.19.1`
`slurm_20_11` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS	All versions	`20.11.7-3.11.1`
`slurm_20_11` SUSE:Linux Enterprise High Performance Computing 15 SP2	All versions	`20.11.7-6.5.1`
`slurm` SUSE:Linux Enterprise High Performance Computing 15-ESPOS	All versions	`17.11.13-6.37.1`
`slurm_18_08` SUSE:Linux Enterprise High Performance Computing 15-ESPOS	All versions	`18.08.9-1.14.1`
`slurm` SUSE:Linux Enterprise High Performance Computing 15-LTSS	All versions	`17.11.13-6.37.1`
`slurm_18_08` SUSE:Linux Enterprise High Performance Computing 15-LTSS	All versions	`18.08.9-1.14.1`
`slurm` SUSE:Linux Enterprise Module for HPC 12	All versions	`17.02.11-6.50.1`
`slurm_18_08` SUSE:Linux Enterprise Module for HPC 12	All versions	`18.08.9-3.14.1`
`slurm_20_02` SUSE:Linux Enterprise Module for HPC 12	All versions	`20.02.7-3.11.1`
`slurm_20_11` SUSE:Linux Enterprise Module for HPC 12	All versions	`20.11.7-3.8.1`
`slurm` SUSE:Linux Enterprise Module for HPC 15 SP2	All versions	`20.02.7-3.6.1`
`slurm_20_11` SUSE:Linux Enterprise Module for HPC 15 SP2	All versions	`20.11.7-6.5.1`
`slurm` SUSE:Linux Enterprise Module for HPC 15 SP3	All versions	`20.11.7-4.3.1`
`slurm` openSUSE:Leap 15.2	All versions	`20.02.7-lp152.2.6.1`

Products include Debian Debian Linux, Fedoraproject Fedora, Schedmd Slurm.

How do I fix CVE-2021-31215?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-31215 being exploited?

There is no known exploitation of CVE-2021-31215 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-31215, GHSA-wg2q-q9j3-c3v8, MGASA-2021-0253, SUSE-SU-2021:1787-1, SUSE-SU-2021:1788-1, SUSE-SU-2021:1789-1 and 11 more.