Security Bulletin: IBM i is vulnerable to a local privilege escalation due to a flaw in IBM TCP/IP Connectivity Utilities for i [CVE-2024-31890].

Summary

IBM i is vulnerable to a local user with command line access gaining elevated privilege due to a flaw in IBM TCP/IP Connectivity Utilities for i as described in the vulnerability details section. This bulletin identifies the steps to take to address the vulnerability as described in the remediation/fixes section.

Vulnerability Details

CVEID:CVE-2024-31890
**DESCRIPTION:**IBM i product IBM TCP/IP Connectivity Utilities for i contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain root access to the host operating system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/288171 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i. IBM i releases 7.5, 7.4, and 7.3 will be fixed.

The IBM i PTF numbers for 5770-TC1 contain the fix for the vulnerability.

IBM i Release |

5770-TC1
PTF Number

|

PTF Download Link

—|—|—
7.5| SJ00681| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00681&gt;
7.4| SJ00679| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00679&gt;
7.3| SJ00680| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00680&gt;

<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