Security Bulletin: IBM i is vulnerable to a local privilege escalation due to a flaw in IBM Backup, Recovery & Media Services for i (CVE-2023-40377).

Summary

IBM i is vulnerable to a local privilege escalation due to a flaw in IBM Backup, Recovery & Media Services (BRMS) for i as described in the vulnerability details section. IBM Backup, Recovery & Media Services (BRMS) for i has addressed the vulnerability with a fix as described in the remediation/fixes section.

Vulnerability Details

CVEID:CVE-2023-40377
**DESCRIPTION:**Backup, Recovery, and Media Services (BRMS) for IBM i contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system.
CVSS Base score: 4.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/263583 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i. IBM i releases 7.4, 7.3, and 7.2 will be fixed.

The vulnerability does not exist in IBM i 7.5.

The IBM i PTF number for 5770-BR1 contains the fix for the vulnerability.

<https://www.ibm.com/support/fixcentral&gt;

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None