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HistoryDec 17, 2021 - 5:25 a.m.

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

2021-12-1705:25:57
www.ibm.com
86

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.975 High

EPSS

Percentile

99.9%

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 LSF 10.1.x

Remediation/Fixes

Patch will be released once available.

Workarounds and Mitigations

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

Product VRMF APAR Remediation/First Fix
Spectrum LSF 10.1.x None
  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).

  1. Restart ebrokerd by badmin mbdrestart

CPENameOperatorVersion
ibm spectrum lsfeq10.1

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.975 High

EPSS

Percentile

99.9%

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