CVE-2023-29258 : Security Advisory and Response

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1, and 11.5 is vulnerable to a denial of service through a specially crafted federated query on specific federation objects.

Understanding CVE-2023-29258

This CVE-2023-29258 pertains to a denial of service vulnerability in IBM Db2 for Linux, UNIX, and Windows affecting versions 11.1 and 11.5.

What is CVE-2023-29258?

The vulnerability allows for a denial of service attack to occur through a specially crafted federated query on specific federation objects within the affected IBM Db2 products.

The Impact of CVE-2023-29258

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 5.3. It could lead to a disruption of service affecting availability.

Technical Details of CVE-2023-29258

This section describes the vulnerability in more technical detail.

Vulnerability Description

The vulnerability, tracked under IBM X-Force ID 252048, is categorized as CWE-20: Improper Input Validation, with high attack complexity and impact on availability.

Affected Systems and Versions

IBM Db2 for Linux, UNIX and Windows versions 11.1 and 11.5 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited through a specially crafted federated query on specific federation objects, potentially leading to a denial of service.

Mitigation and Prevention

To address CVE-2023-29258, certain steps need to be taken for mitigation and prevention.

Immediate Steps to Take

Users are advised to apply the necessary patches provided by IBM to mitigate the denial of service vulnerability. It is crucial to stay updated with security advisories.

Long-Term Security Practices

Implement robust input validation mechanisms and regularly monitor for any unusual activity that may indicate exploitation attempts.

Patching and Updates

Regularly apply security patches and updates released by IBM to ensure the security of the IBM Db2 products.