CVE-2022-35637 : Vulnerability Insights and Analysis

A denial of service vulnerability has been identified in IBM Db2 for Linux, UNIX and Windows. This article provides an overview of CVE-2022-35637, its impact, technical details, and mitigation steps.

Understanding CVE-2022-35637

IBM Db2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a denial of service after entering a malformed SQL statement into the Db2expln tool.

What is CVE-2022-35637?

CVE-2022-35637 is a vulnerability in IBM Db2 that allows an attacker to cause a denial of service condition by submitting a specially crafted SQL statement.

The Impact of CVE-2022-35637

The vulnerability can result in a denial of service, impacting the availability of the affected IBM Db2 versions (10.5, 11.1, 11.5) on Linux, UNIX, and Windows systems.

Technical Details of CVE-2022-35637

Vulnerability Description

The issue arises when a malformed SQL statement is executed in the Db2expln tool, leading to a denial of service situation.

Affected Systems and Versions

IBM Db2 versions 10.5, 11.1, and 11.5 running on Linux, UNIX, and Windows are affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting and executing a specific SQL query using the Db2expln tool, triggering the denial of service condition.

Mitigation and Prevention

Immediate Steps to Take

IBM recommends applying official fixes provided by the vendor to address the CVE-2022-35637 vulnerability.

Long-Term Security Practices

Ensure regular security updates and patches are applied to IBM Db2 installations to mitigate the risk of potential vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from IBM to protect your systems from known vulnerabilities.