Resource exhaustion in IBM DB2 LUW - CVE-2023-43020

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Main Vulnerability Database Vulnerabilities #VU84101

Resource exhaustion in IBM DB2 LUW - CVE-2023-43020

Published: December 12, 2023


Vulnerability identifier: #VU84101
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-43020
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote user can send a specially crafted query and perform a denial of service (DoS) attack.


Affected software

IBM DB2 LUW
IBM DB2
IBM Operations Analytics Predictive Insights
IBM Security Guardium Key Lifecycle Manager (GKLM)
IBM Intelligent Operations Center
WebSphere Remote Server
IBM Security Verify Governance
IBM Tivoli Business Service Manager
IBM Cloud Application Performance Management (APM)
Db2 Big SQL
IBM OpenPages with Watson
dashDB Local
Storage Protect Server
IBM Cloud Pak System

How to mitigate CVE-2023-43020

Install updates from vendor's website.

IBM DB2 LUW - addressed in versions 10.5 FP11, 11.1.4 FP7, 11.5.0, 11.5.8, 11.5.9
Db2 Big SQL - update to 7.6.2
dashDB Local - update to 11.5.9.0
IBM Cloud Pak System - addressed in versions 2.3.4.1, 2.3.5.0
IBM Tivoli Business Service Manager - update to 6.2.0.5.4
IBM Cloud Application Performance Management (APM) - update to 8.1.4.0.15
Storage Protect Server - update to 8.1.22
IBM DB2 - addressed in versions 10.5 FP11, 11.1.4.7, 11.5.0.0, 11.5.9

External References

Related Security Bulletins