CVE-2020-5225 : What You Need to Know

Log injection vulnerability in SimpleSAMLphp before version 1.18.4 allows attackers to inject new log lines by manipulating the report ID parameter.

Understanding CVE-2020-5225

This CVE involves a log injection vulnerability in SimpleSAMLphp, potentially enabling malicious users to insert arbitrary content into log files.

What is CVE-2020-5225?

SimpleSAMLphp, prior to version 1.18.4, is susceptible to log injection. Attackers can exploit this issue to add unauthorized log entries by crafting a specific report ID.

The Impact of CVE-2020-5225

The vulnerability's medium severity allows attackers to manipulate log files, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2020-5225

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises from improper sanitization of the report identifier in the www/errorreport.php script, enabling attackers to inject new log lines.

Affected Systems and Versions

Product: SimpleSAMLphp
Vendor: simplesamlphp
Versions Affected: < 1.18.4

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed

Mitigation and Prevention

Protect your systems from CVE-2020-5225 with these mitigation strategies.

Immediate Steps to Take

Upgrade SimpleSAMLphp to version 1.18.4 or higher.
Monitor log files for suspicious activities.

Long-Term Security Practices

Implement input validation to prevent injection attacks.
Regularly review and update security configurations.

Patching and Updates

Stay informed about security advisories from SimpleSAMLphp.