EUVD-2024-45179

Comprehensive Technical Analysis of EUVD-2024-45179

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-45179 affects GLPI, a widely-used free asset and IT management software package. The issue allows an unauthenticated user to retrieve all session IDs and potentially hijack any valid session. This vulnerability is present in versions starting from 9.5.0 up to 10.0.16. The severity of this vulnerability is rated with a CVSS base score of 9.3, indicating a critical risk.

CVSS Vector Breakdown:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Complexity): The attack requires low skill or resources.
• AT:N (No Authentication): No authentication is required to exploit the vulnerability.
• PR:N (No Privileges Required): No privileges are required to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required to exploit the vulnerability.
• VC:H (High Confidentiality Impact): The vulnerability has a high impact on confidentiality.
• VI:H (High Integrity Impact): The vulnerability has a high impact on integrity.
• VA:L (Low Availability Impact): The vulnerability has a low impact on availability.
• SC:N (No Change in Scope): The vulnerability does not change the security scope.
• SI:N (No Change in Scope): The vulnerability does not change the security scope.
• SA:N (No Change in Scope): The vulnerability does not change the security scope.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is through unauthenticated network access. An attacker could exploit this vulnerability by:

1. Session ID Enumeration: Retrieving all session IDs from the GLPI application.
2. Session Hijacking: Using the retrieved session IDs to impersonate legitimate users, gaining unauthorized access to their sessions.

Exploitation Methods:

• Network Scanning: Identifying vulnerable GLPI instances on the network.
• Automated Scripts: Using scripts to enumerate session IDs and hijack sessions.
• Man-in-the-Middle (MitM) Attacks: Intercepting network traffic to capture session IDs.

3. Affected Systems and Software Versions

The vulnerability affects GLPI versions starting from 9.5.0 up to 10.0.16. The issue has been patched in version 10.0.17. Organizations using GLPI within this version range are at risk and should prioritize updating to the patched version.

4. Recommended Mitigation Strategies

1. Immediate Patching: Upgrade to GLPI version 10.0.17 or later, which includes the patch for this vulnerability.
2. Network Segmentation: Implement network segmentation to limit access to the GLPI application.
3. Access Controls: Enforce strict access controls and authentication mechanisms to prevent unauthorized access.
4. Monitoring and Logging: Implement robust monitoring and logging to detect and respond to suspicious activities.
5. Regular Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate potential risks.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using GLPI within the European Union, particularly those managing critical IT assets. Unauthorized access to session IDs can lead to data breaches, loss of sensitive information, and potential disruption of services. Given the critical nature of the vulnerability, it is essential for organizations to address this issue promptly to maintain compliance with regulations such as GDPR and ensure the security of their IT infrastructure.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2024-50339
• Affected Product: GLPI
• Affected Versions: 9.5.0 to 10.0.16
• Patched Version: 10.0.17
• References:
  • GitHub Security Advisory
  • GLPI Release Notes

Mitigation Steps:

1. Update GLPI: Ensure all instances of GLPI are updated to version 10.0.17 or later.
2. Review Access Logs: Check access logs for any unauthorized session ID retrieval attempts.
3. Implement Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious activities related to session IDs.
4. User Education: Educate users on the importance of secure session management and reporting suspicious activities.

Conclusion: The vulnerability in GLPI versions 9.5.0 to 10.0.16 is critical and requires immediate attention. Organizations should prioritize updating to the patched version and implement additional security measures to mitigate the risk. Regular monitoring and auditing will help ensure the ongoing security of IT assets managed by GLPI.