CVE-2022-23616 Explained : Impact and Mitigation
Discover the details of CVE-2022-23616, a high-severity vulnerability in XWiki-Platform allowing remote code execution. Learn about the impact, affected versions, exploitation, and mitigation steps.
XWiki Platform is a versatile wiki platform that provides runtime services for applications. This CVE allows an unprivileged user to execute remote code by injecting a groovy script in their profile and using the Reset password feature in affected versions. The issue has been addressed in XWiki 13.1RC1 through patches and workarounds.
Understanding CVE-2022-23616
This section delves into the details of the CVE-2022-23616 vulnerability in XWiki-Platform.
What is CVE-2022-23616?
In XWiki-Platform versions > 3.1M1 and < 13.1RC1, an unprivileged user can achieve remote code execution by injecting a groovy script and utilizing the Reset password feature due to programming rights in user profiles. The security vulnerability has been patched in XWiki 13.1RC1.
The Impact of CVE-2022-23616
CVE-2022-23616 has a high severity level with a CVSS base score of 8.8. The confidentiality, integrity, and availability of systems running affected versions of XWiki-Platform are at risk. Attackers can exploit this vulnerability over the network with low privileges required.
Technical Details of CVE-2022-23616
This section outlines the technical aspects of the CVE-2022-23616 vulnerability.
Vulnerability Description
The vulnerability stems from improper neutralization of special elements in output used by a downstream component (Injection). By injecting a groovy script and leveraging the Reset password feature, attackers can perform unauthorized remote code execution.
Affected Systems and Versions
XWiki-Platform versions > 3.1M1 and < 13.1RC1 are impacted by CVE-2022-23616. Users of these versions are susceptible to the remote code execution vulnerability if not patched.
Exploitation Mechanism
The exploitation of this vulnerability involves injecting a groovy script in the user profile and utilizing the Reset password feature, which saves the user profile with programming rights, enabling the execution of arbitrary code.
Mitigation and Prevention
This section provides insights into mitigating and preventing CVE-2022-23616 in XWiki-Platform.
Immediate Steps to Take
Administrators are advised to apply the patch released in XWiki 13.1RC1 to remediate the vulnerability. Alternatively, the Reset password feature can be disabled or the script in the XWiki/ResetPassword page can be modified or removed to mitigate the risk.
Long-Term Security Practices
Regularly updating XWiki-Platform to the latest version, implementing least privilege access controls, and conducting security assessments can enhance the overall security posture.
Patching and Updates
Stay informed about security advisories from XWiki and promptly apply patches and updates to protect against known vulnerabilities.