CVE-2024-31465

Comprehensive Technical Analysis of CVE-2024-31465

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2024-31465 CVSS Score: 9.9

Severity Evaluation: The CVSS score of 9.9 indicates a critical vulnerability. This high score is due to the potential for complete compromise of the XWiki installation, affecting confidentiality, integrity, and availability. The vulnerability allows any user with edit rights to execute arbitrary code on the server, which can lead to severe security breaches.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthorized Code Execution: An attacker with edit rights can add an object of type XWiki.SearchSuggestSourceClass to their user profile or any other page. This object can be manipulated to execute arbitrary code on the server.
• Privilege Escalation: By exploiting this vulnerability, an attacker can escalate their privileges, gaining unauthorized access to sensitive information and potentially taking control of the entire XWiki installation.

Exploitation Methods:

• Code Injection: The attacker injects malicious code through the XWiki.SearchSuggestSourceClass object.
• Remote Code Execution (RCE): The injected code can be executed remotely, allowing the attacker to perform various malicious activities such as data exfiltration, system manipulation, and further exploitation.

3. Affected Systems and Software Versions

Affected Versions:

• XWiki Platform versions starting from 5.0-rc-1 up to but not including 14.10.20, 15.5.4, and 15.9-rc-1.

Patched Versions:

• XWiki 14.10.20
• XWiki 15.5.4
• XWiki 15.10 RC1

4. Recommended Mitigation Strategies

Immediate Actions:

• Patching: Upgrade to the patched versions (14.10.20, 15.5.4, or 15.10 RC1) as soon as possible.
• Workaround: Manually apply the patch to the document XWiki.SearchSuggestSourceSheet if upgrading is not immediately feasible.

Long-Term Strategies:

• Access Control: Implement strict access controls to limit edit rights to trusted users only.
• Regular Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate similar issues.
• Monitoring: Implement continuous monitoring to detect and respond to any suspicious activities or unauthorized code execution attempts.

5. Impact on Cybersecurity Landscape

Broader Implications:

• Widespread Adoption: XWiki is widely used in various organizations, making this vulnerability a significant risk.
• Trust and Reputation: Organizations relying on XWiki for sensitive information management may face reputational damage if exploited.
• Supply Chain Risks: Compromised XWiki installations can serve as entry points for attacks on other interconnected systems, amplifying the risk across the supply chain.

6. Technical Details for Security Professionals

Vulnerability Details:

• Root Cause: The vulnerability arises from insufficient validation and sanitization of user inputs, specifically when adding objects of type XWiki.SearchSuggestSourceClass.
• Exploit Mechanism: The attacker can craft a specially designed object that, when processed by the server, executes arbitrary code.

Detection and Response:

• Log Analysis: Monitor server logs for unusual activities, especially those related to the addition or modification of XWiki.SearchSuggestSourceClass objects.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious activities that may indicate an exploitation attempt.
• Incident Response Plan: Develop and maintain an incident response plan tailored to handle such critical vulnerabilities, ensuring quick detection, response, and recovery.

References:

• GitHub Commit 1
• GitHub Commit 2
• GitHub Commit 3
• Vendor Advisory
• Jira Issue

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risks associated with CVE-2024-31465 and enhance their overall cybersecurity posture.