CVE-2023-26274 : Exploit Details and Defense Strategies

This CVE-2023-26274 pertains to a vulnerability found in IBM QRadar SIEM 7.5.0 that allows for cross-site scripting, potentially leading to credentials disclosure within a trusted session.

Understanding CVE-2023-26274

The vulnerability in IBM QRadar SIEM 7.5.0 enables users to inject arbitrary JavaScript code into the Web UI, thereby modifying its intended functionality and posing a risk of credentials exposure.

What is CVE-2023-26274?

The CVE-2023-26274 vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')). It particularly affects IBM QRadar SIEM 7.5.0, allowing for the execution of malicious JavaScript code within the Web UI.

The Impact of CVE-2023-26274

With a CVSS v3.1 base score of 4.6 (Medium Severity), this vulnerability has a low impact on confidentiality, integrity, and privileges required. However, it does require user interaction and can potentially lead to credential exposure, affecting the security of the system.

Technical Details of CVE-2023-26274

The vulnerability is rooted in IBM QRadar SIEM 7.5.0 and manifests as a cross-site scripting flaw, allowing threat actors to inject and execute arbitrary JavaScript code within the Web UI.

Vulnerability Description

The issue in IBM QRadar SIEM 7.5.0 permits users to embed malicious JavaScript code in the Web UI, altering its functionality and possibly leading to credential exposure within a trusted session.

Affected Systems and Versions

Affected Product: IBM QRadar SIEM
Affected Version: 7.5.0

Exploitation Mechanism

This vulnerability is exploited by attackers injecting crafted JavaScript code into the Web UI, manipulating its behavior, and potentially compromising the confidentiality of credentials.

Mitigation and Prevention

To address CVE-2023-26274 and mitigate the associated risks, certain immediate steps and long-term security practices need to be implemented.

Immediate Steps to Take

IBM QRadar SIEM 7.5.0 users should apply relevant security patches provided by IBM to address the cross-site scripting vulnerability promptly.
Administrators are advised to monitor and restrict user input on the Web UI to prevent malicious code injections.

Long-Term Security Practices

Regularly monitor security advisories from IBM and other trusted sources for updates on vulnerabilities and patches.
Conduct routine security assessments and penetration testing to identify and remediate potential security weaknesses proactively.

Patching and Updates

Ensure timely installation of security patches and updates released by IBM for IBM QRadar SIEM 7.5.0 to address known vulnerabilities and enhance system security.
Consider implementing web application security best practices to mitigate the risk of cross-site scripting attacks in the future.