CVE-2023-30991 Explained : Impact and Mitigation
Learn about CVE-2023-30991, a high-severity denial of service vulnerability in IBM Db2 for Linux, UNIX and Windows versions 11.1 and 11.5 due to improper input validation. Find out the impact, technical details, and mitigation steps.
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) versions 11.1 and 11.5 are vulnerable to denial of service attacks due to improper input validation. This CVE poses a high risk with a CVSS base score of 7.5.
Understanding CVE-2023-30991
This section will provide an in-depth understanding of the IBM Db2 denial of service vulnerability.
What is CVE-2023-30991?
CVE-2023-30991 refers to a vulnerability in IBM Db2 for Linux, UNIX and Windows versions 11.1 and 11.5 that allows attackers to launch denial of service attacks using a specially crafted query.
The Impact of CVE-2023-30991
This vulnerability can have a significant impact on affected systems, leading to service disruption and potentially affecting the availability of critical functions supported by IBM Db2.
Technical Details of CVE-2023-30991
Let's delve into the technical aspects related to CVE-2023-30991.
Vulnerability Description
The vulnerability is classified as CWE-20 - Improper Input Validation, allowing threat actors to exploit the system without the need for any special privileges. The attack complexity is low, but the impact on availability is high.
Affected Systems and Versions
IBM Db2 for Linux, UNIX and Windows versions 11.1 and 11.5 are specifically impacted by this vulnerability.
Exploitation Mechanism
Attackers can leverage this vulnerability remotely over a network to disrupt services or operations supported by the affected IBM Db2 versions.
Mitigation and Prevention
Discover how to mitigate the risks associated with CVE-2023-30991.
Immediate Steps to Take
Organizations using the affected versions should implement security measures promptly to prevent exploitation and maintain system availability.
Long-Term Security Practices
Ensure proper input validation practices are in place and conduct regular security audits to identify and address vulnerabilities proactively.
Patching and Updates
IBM has released patches and updates to address the vulnerability in IBM Db2 for Linux, UNIX and Windows. Organizations are advised to apply these updates promptly to secure their systems.