Debian update for pmix



Published: 2023-11-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-41915
CWE-ID CWE-362
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Debian Linux
Operating systems & Components / Operating system

pmix (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one low risk vulnerability.

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

Update pmix package to one of the following versions: 4.0.0-4.1+deb11u1, 4.2.2-1+deb12u1.

Vulnerable software versions

Debian Linux: All versions

pmix (Debian package): before 4.2.2-1+deb12u1

External links

http://www.debian.org/security/2023/dsa-5547


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.



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