Security Bulletin: IBM i Clustering is affected by CVE-2019-4381

## 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 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**

**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


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### References

[Complete CVSS v3 Guide]( “Link resides outside of” )
[On-line Calculator v3]( “Link resides outside of” )


## Related Information

[IBM Secure Engineering Web Portal]()
[IBM Product Security Incident Response Blog]()

## 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “”AS IS”” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{“Type”:”MASTER”,”Line of Business”:{“code”:”LOB57″,”label”:”Power”},”Business Unit”:{“code”:”BU058″,”label”:”IBM Infrastructure w/TPS”},”Product”:{“code”:”SWG60″,”label”:”IBM i”},”ARM Category”:[{“code”:”a8m0z0000000CT6AAM”,”label”:”Security-u003EPSIRT CVE”}],”ARM Case Number”:””,”Platform”:[{“code”:”PF012″,”label”:”IBM i”}],”Version”:”7.2.0;7.3.0;7.4.0″}]Read More

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