CVE-2023-40314 : Exploit Details and Defense Strategies
Discover the impact of CVE-2023-40314, a medium-severity cross-site scripting vulnerability in OpenNMS Meridian and Horizon affecting confidential session data. Learn how to mitigate and prevent exploitation.
A detailed overview of CVE-2023-40314 highlighting the impact, technical details, and mitigation strategies.
Understanding CVE-2023-40314
Explore the vulnerability, affected systems, exploitation mechanism, and preventive measures for CVE-2023-40314.
What is CVE-2023-40314?
CVE-2023-40314 involves a cross-site scripting vulnerability in bootstrap.jsp in multiple versions of OpenNMS Meridian and Horizon. This flaw enables attackers to access confidential session information.
The Impact of CVE-2023-40314
The vulnerability poses a medium-severity risk with a base CVSS score of 5.8. It has a high impact on confidentiality and low impact on integrity, requiring low privileges for exploitation.
Technical Details of CVE-2023-40314
Learn more about the specific details of the vulnerability, affected systems, and how it can be exploited.
Vulnerability Description
The flaw allows an attacker to perform cross-site scripting attacks, potentially compromising sensitive data and sessions within OpenNMS Meridian and Horizon installations.
Affected Systems and Versions
Systems running OpenNMS Meridian versions prior to 2023.1.9 and Horizon versions earlier than 32.0.5 are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability arises from inadequate input validation in bootstrap.jsp, granting unauthorized access to confidential data.
Mitigation and Prevention
Discover the immediate steps to secure your systems and establish long-term security practices to prevent such vulnerabilities.
Immediate Steps to Take
To mitigate the risk, it is crucial to upgrade affected systems to Horizon 32.0.5 or higher and Meridian 2023.1.9 or later versions.
Long-Term Security Practices
Organizations are advised to follow best practices by ensuring that OpenNMS Meridian and Horizon installations are restricted within private networks, inaccessible directly from the Internet.
Patching and Updates
Stay informed about security patches and updates released by OpenNMS to address vulnerabilities like CVE-2023-40314.