Security Bulletin: IBM Navigator for i is affected by security vulnerability (CVE-2021-38876)

Security Bulletin

Summary

IBM Navigator for i heritage version is vulnerable to the issue described in the vulnerability details section. IBM i has addressed the applicable CVE as described in the remediation/fixes section.

Vulnerability Details

CVEID: CVE-2021-38876
DESCRIPTION: IBM i is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208404 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM i	7.4
IBM i	7.3
IBM i	7.2

Remediation/Fixes

The issue can be fixed by applying PTFs to IBM i. Releases 7.4, 7.3, and 7.2 of IBM i are supported and will be fixed. The IBM i PTF numbers containing the fix for the CVE follow. Future Group PTFs for HTTP Server will also contain the fixes for this CVE.

Release 7.4 - SI77613, SI77614
Release 7.3 - SI77615, SI77616
Release 7.2 - SI77617, SI77618

https://www.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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

27 Dec 2021: Initial Publication

*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.

Document Location

Worldwide

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Tips

Security Bulletin: IBM Navigator for i is affected by security vulnerability (CVE-2021-38876)