Security Bulletin: Due to Apache Log4j vulnerability, Novalink could allow a remote attacker to execute arbitrary code on the system. (CVE-2021-44228)

Security Bulletin

Summary

Novalink uses Apache Log4j 2 for logging system/application events for diagnostics. This bulletin provides a remediation for the vulnerability (CVE-2021-44228) by updating PowerVM Novalink.

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)
NovaLink	1.0.0.16
Novalink	2.0
Novalink	2.0.1
Novalink	2.0.2
Novalink	2.0.2.1

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading based on the table below.

Product	Version	Remediation
Novalink	1.0.0.16	Update to pvm-novalink 1.0.0.16-211212
Novalink	2.0.0.0	Update to pvm-novalink 2.0.1-211212
Novalink	2.0.1	Update to pvm-novalink 2.0.1-211212
Novalink	2.0.2	Update to pvm-novalink 2.0.2.1-211212
Novalink	2.0.2.1	Update to pvm-novalink 2.0.2.1-211212

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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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

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: Due to Apache Log4j vulnerability, Novalink could allow a remote attacker to execute arbitrary code on the system. (CVE-2021-44228)