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Security Bulletin: Vulnerability in Apache Log4j2 affects IBM Spectrum LSF. (CVE-2021-44228)

Security Bulletin


Summary

There is a vulnerability in Log4j2 used by IBM Spectrum LSF. IBM Spectrum LSF have addressed the applicable CVE. LSF is only vulnerable if resource connector is enabled. Customers are encouraged to take action by executing the mitigation steps.

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 Spectrum LSF10.1.x

 

 


Remediation/Fixes

Patch will be released once available.

Workarounds and Mitigations

 

IBM strongly recommends addressing the vulnerability now by executing these steps:

 

ProductVRMFAPARRemediation/First Fix
Spectrum LSF10.1.xNone

1) Remove the JndiLookup class from the classpath in following jar files: 
LSF_TOP/10.1/resource_connector/aws/lib/log4j-core-*.jar.
LSF_TOP/10.1/resource_connector/azure/lib/log4j-core-*.jar.
LSF_TOP/10.1/resource_connector/google/lib/log4j-core-*.jar.
LSF_TOP/10.1/resource_connector/cyclecloud/lib/log4j-core-*.jar.
LSF_TOP/10.1/resource_connector/openshift/lib/log4j-core-*.jar.
LSF_TOP/10.1/resource_connector/softlayer/lib/log4j-core-*.jar.

(example: zip -q -d log4j-core-*.jar org/apache/logging/log4j/core/lookup/JndiLookup.class). 

2) Restart ebrokerd by badmin mbdrestart

 

 

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

 

 

 

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

None

 

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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Document Information

Modified date:
17 December 2021

Initial Publish date:
14 December 2021

UID

ibm16527742

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