CVE-2020-5301 Explained : Impact and Mitigation

SimpleSAMLphp versions before 1.18.6 contain an information disclosure vulnerability due to a flaw in the module controller. This vulnerability allows attackers to access sensitive source code under specific conditions. Learn about the impact, technical details, and mitigation steps for CVE-2020-5301.

Understanding CVE-2020-5301

SimpleSAMLphp versions prior to 1.18.6 are affected by an information disclosure vulnerability that can expose sensitive source code.

What is CVE-2020-5301?

SimpleSAMLphp versions before 1.18.6 have a vulnerability that allows attackers to access source code by manipulating path endings.

The Impact of CVE-2020-5301

CVSS Base Score: 3 (Low)
Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
User Interaction: Required
This vulnerability can lead to the exposure of private or sensitive source code in third-party modules.

Technical Details of CVE-2020-5301

SimpleSAMLphp's vulnerability involves the module controller processing requests for pages hosted by modules, potentially exposing source code.

Vulnerability Description

The module controller in SimpleSAMLphp fails to properly handle paths ending with

.php

, allowing unauthorized access to source code.

Affected Systems and Versions

Affected Product: SimpleSAMLphp
Affected Versions: < 1.18.6

Exploitation Mechanism

Attackers can exploit this vulnerability by requesting paths ending with

.PHP

on servers with case-insensitive file systems, such as Windows.

Mitigation and Prevention

Take immediate steps to secure your system and prevent unauthorized access to sensitive source code.

Immediate Steps to Take

Update SimpleSAMLphp to version 1.18.6 or newer to patch the vulnerability.
Monitor and restrict access to sensitive directories containing source code.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement access controls and file system protections to prevent unauthorized access.
Conduct security audits to identify and mitigate potential vulnerabilities.

Patching and Updates

Ensure all software components, including SimpleSAMLphp, are regularly updated to the latest secure versions.