openEuler update for pmix

1) Race condition

EUVDB-ID: #VU80882

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41915

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition when the PMIx library called is called by a process
running as uid 0. A local user can exploit the race and obtain ownership of an arbitrary file on the filesystem.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP2

pmix-tools: before 4.2.6-2

pmix-debuginfo: before 4.2.6-2

pmix-debugsource: before 4.2.6-2

pmix-devel: before 4.2.6-2

pmix: before 4.2.6-2

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP2:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1676

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.