Resource exhaustion in IBM DB2 LUW - CVE-2023-40373

 

Resource exhaustion in IBM DB2 LUW - CVE-2023-40373

Published: October 9, 2023


Vulnerability identifier: #VU81713
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40373
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 trigger resource exhaustion and perform a denial of service (DoS) attack with a specially crafted query containing common table expressions.


Affected software

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

How to mitigate CVE-2023-40373

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
Db2 Big SQL - update to 7.6
dashDB Local - update to 11.5.9.0
IBM Cloud Application Performance Management (APM) - update to 8.1.4.0.15
Storage Protect Server - update to 8.1.21
IBM DB2 - addressed in versions 10.5 FP11, 11.1.4.7, 11.5.7, 11.5.8

External References

Related Security Bulletins