CVE-2020-5248 : Security Advisory and Response

GLPI before version 9.4.6 has a vulnerability involving a default encryption key that can be exploited to decrypt sensitive data. This CVE-2020-5248 impacts GLPI installations with versions below 9.4.6.

Understanding CVE-2020-5248

This CVE highlights a critical security issue in GLPI versions prior to 9.4.6, where the default encryption key GLPIKEY is publicly accessible, allowing unauthorized decryption of sensitive data.

What is CVE-2020-5248?

CVE-2020-5248 is a vulnerability in GLPI versions before 9.4.6 that exposes the default encryption key, GLPIKEY, enabling unauthorized decryption of stored sensitive data.

The Impact of CVE-2020-5248

The vulnerability has a CVSS base score of 7.2, indicating a high severity level with significant impacts on confidentiality and integrity. Attackers with high privileges can exploit this flaw locally without user interaction.

Technical Details of CVE-2020-5248

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

GLPI versions prior to 9.4.6 expose the default encryption key, GLPIKEY, allowing decryption of sensitive data.

Affected Systems and Versions

Product: GLPI
Vendor: glpi-project
Versions Affected: < 9.4.6

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Local
Privileges Required: High
Scope: Changed
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-5248 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade GLPI to version 9.4.6 or higher to mitigate the vulnerability.
Change the default encryption key to a secure one to prevent unauthorized decryption.

Long-Term Security Practices

Regularly update and patch GLPI to address security vulnerabilities.
Implement strong encryption practices and key management protocols to safeguard sensitive data.

Patching and Updates

Apply security patches provided by GLPI to address the vulnerability and enhance system security.