IBM QRadar SIEM: Denial of Service -- Remote/Unauthenticated

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.4057
 Security Bulletin: Apache CXF as used by IBM QRadar SIEM is vulnerable to
                 denial of service (DOS) (CVE-2021-30468)
                              1 December 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM QRadar SIEM
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-30468  

Reference:         ASB-2021.0203
                   ESB-2021.2816

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6520492

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Apache CXF as used by IBM QRadar SIEM is vulnerable to denial of service (DOS)
(CVE-2021-30468)

Document Information

Document number    : 6520492
Modified date      : 30 November 2021
Product            : IBM QRadar SIEM
Software version   : 7.3, 7.4
Operating system(s): Linux

Summary

Apache CXF as used by IBM QRadar SIEM is vulnerable to denial of service

Vulnerability Details

CVEID: CVE-2021-30468
DESCRIPTION: Apache CXF is vulnerable to a denial of service, caused by an
infinite loop flaw in the JsonMapObjectReaderWriter function. By sending a
specially-crafted JSON to a web service, a remote attacker could exploit this
vulnerability to consume available CPU resources.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
203830 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM QRadar SIEM 7.3.0 to 7.3.3 Fix Pack 9

IBM QRadar SIEM 7.4.0 to 7.4.3 Fix Pack 3

Remediation/Fixes

QRadar / QRM / QVM / QRIF / QNI 7.3.3 Fix Pack 10

QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 4

Workarounds and Mitigations

None

Change History

26 Nov 2021: Initial Publication

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