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Security Bulletin: IBM Application Navigator is vulnerable to an remote attacker exploitation of Apache Log4j (CVE-2021-44228)

Security Bulletin


Summary

The IBM Application Navigator contains a copy of Apache Log4j which is not used by the IBM Application Navigator function. Out of an abundance of caution this update removes the unused copy of Apache Log4j.

Vulnerability Details

CVEID:   CVE-2021-44228
DESCRIPTION:   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against attacker controlled LDAP and other JNDI related endpoints by JNDI features. By sending a specially crafted code string, an attacker could exploit this vulnerability to load arbitrary Java code on the server and take complete control of the system. Note: The vulnerability is also called Log4Shell or LogJam.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214921 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Application NavigatorAll

Remediation/Fixes

IBM Application Navigator software support will end 30 April 2022 and IBM does not recommend new installations. Existing installations should patch the AppNav WAS Controller image by running the following command:
  • oc patch Kappnav/kappnav -n kappnav -p '{"spec": {"extensionContainers":{"appNavWASController": {"repository": "cp.icr.io/cp/icpa/icpa-app-nav-was-controller","tag": "sha256:2245627fdaa8768d394649de0502251a5fb9f05fa627ee4d217b97af4b0f5be6"}}}}' --type=merge

Workarounds and Mitigations

None

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References

Off

Change History

14 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

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.

Document Location

Worldwide

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Document Information

Modified date:
15 December 2021

UID

ibm16526612