Headline
CVE-2019-4381: Security Bulletin: IBM i Clustering is affected by CVE-2019-4381
IBM i 7.27.3 Clustering could allow a local attacker to obtain sensitive information, caused by the use of advanced node failure detection using the REST API to interface with the HMC. An attacker could exploit this vulnerability to obtain HMC credentials. IBM X-Force ID: 162159.
Summary
IBM i Clustering is vulnerable to this security vulnerability. IBM i has addressed this vulnerability.
This security bulletin has been updated, on June 21, 2019, as an additional IBM i PTF is available for IBM i 7.4.
Vulnerability Details
CVEID: CVE-2019-4381
DESCRIPTION: IBM i Clustering could allow a local attacker to obtain sensitive information, caused by the use of advanced node failure detection using the REST API to interface with the HMC. An attacker could exploit this vulnerability to obtain HMC credentials.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/162159 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
Affected Products and Versions
Releases 7.2, 7.3, and 7.4 of IBM i are affected.
Remediation/Fixes
The issue can be fixed by applying a PTF to IBM i.
Releases 7.2, 7.3 and 7.4 of IBM i are supported and will be fixed.
The IBM i PTF numbers are:
Release 7.2 – SI70171
Release 7.3 – SI70170
Release 7.4 – SI70103
https://www-945.ibm.com/support/fixcentral/
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
References
Off
Change History
12 June 2019: Original Version Published
21 June 2019: Updated to include IBM i 7.4 release information
15 August 2022: Fixed typo
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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