CVE-2020-13873 : Security Advisory and Response

A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote attackers to bypass the admin page via a leaked password-reset token, enabling the execution of remote code on the operating system.

Understanding CVE-2020-13873

This CVE involves a critical SQL Injection vulnerability in Codoforum that can be exploited by attackers to compromise the system.

What is CVE-2020-13873?

CVE-2020-13873 is a SQL Injection vulnerability in Codoforum that allows remote attackers to bypass the admin page using a leaked password-reset token, potentially leading to the execution of malicious code.

The Impact of CVE-2020-13873

The vulnerability enables attackers to upload a PHP shell and execute remote code on the operating system, posing a significant security risk to affected systems.

Technical Details of CVE-2020-13873

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in the get_topic_info() function in Codoforum's Topic.php file, allowing attackers to exploit it pre-authentication.

Affected Systems and Versions

Product: Codoforum
Versions affected: Before 4.9

Exploitation Mechanism

Attackers can exploit the vulnerability by leveraging a leaked password-reset token to bypass the admin page and execute remote code.

Mitigation and Prevention

Protecting systems from CVE-2020-13873 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Codoforum to version 4.9 or newer to patch the vulnerability.
Monitor system logs for any suspicious activities.
Reset admin passwords and revoke any leaked tokens.

Long-Term Security Practices

Implement strict input validation to prevent SQL Injection attacks.
Regularly audit and update security protocols and software.

Patching and Updates

Apply security patches promptly to prevent exploitation of known vulnerabilities.