CVE-2020-11035 : What You Need to Know

In GLPI after version 0.83.3 and before version 9.4.6, the CSRF tokens are generated using an insecure algorithm. The implementation uses rand, uniqid, and MD5, which do not provide secure values. This vulnerability has a CVSS base score of 7.5, indicating a high severity level.

Understanding CVE-2020-11035

This CVE identifies a weakness in the generation of CSRF tokens in GLPI software.

What is CVE-2020-11035?

CVE-2020-11035 highlights a vulnerability in GLPI versions between 0.83.3 and 9.4.6, where CSRF tokens are created using an insecure method, potentially exposing systems to attacks.

The Impact of CVE-2020-11035

The vulnerability poses a high risk to confidentiality and a moderate risk to integrity, with an overall high severity rating.

Technical Details of CVE-2020-11035

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises from the insecure generation of CSRF tokens using rand, uniqid, and MD5, which are not secure methods.

Affected Systems and Versions

Product: GLPI
Vendor: glpi-project
Versions Affected: > 0.83.3, < 9.4.6

Exploitation Mechanism

The vulnerability can be exploited by attackers to potentially compromise the confidentiality of sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2020-11035 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade GLPI to version 9.4.6 or later to mitigate the vulnerability.
Monitor for any unusual activities that could indicate an exploit.

Long-Term Security Practices

Implement secure token generation methods to prevent similar vulnerabilities.
Regularly update and patch software to address security flaws.
Conduct security assessments to identify and remediate potential weaknesses.
Educate users on best practices to enhance overall security.

Patching and Updates

Ensure that all software components, including GLPI, are regularly updated with the latest security patches.