CVE-2020-10793 : Security Advisory and Response

CodeIgniter through 4.0.0 allows remote attackers to gain privileges via a modified Email ID to the 'Select Role of the User' page. This CVE was published on March 23, 2020.

Understanding CVE-2020-10793

CodeIgniter vulnerability allowing privilege escalation via email ID manipulation.

What is CVE-2020-10793?

CodeIgniter through version 4.0.0 is susceptible to privilege escalation through email ID modification.
The issue is related to a custom module/plugin to CodeIgniter, not the framework itself.

The Impact of CVE-2020-10793

Remote attackers can exploit this vulnerability to elevate their privileges within the system.
The issue does not stem from the core CodeIgniter framework but from a custom module or plugin.

Technical Details of CVE-2020-10793

CodeIgniter vulnerability specifics.

Vulnerability Description

Attackers can manipulate the Email ID to access higher privileges on the 'Select Role of the User' page.
The framework itself does not provide login or user management facilities beyond a Session library.

Affected Systems and Versions

CodeIgniter versions up to 4.0.0 are impacted by this vulnerability.
The issue is not inherent to the CodeIgniter framework but to a specific custom module or plugin.

Exploitation Mechanism

Attackers exploit the vulnerability by modifying the Email ID, granting them unauthorized privileges.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-10793.

Immediate Steps to Take

Disable or restrict access to the affected 'Select Role of the User' page.
Implement additional authentication measures to prevent unauthorized access.

Long-Term Security Practices

Regularly review and update custom modules or plugins for security vulnerabilities.
Conduct security audits to identify and address potential privilege escalation issues.

Patching and Updates

Check for patches or updates from the custom module or plugin developer to address the vulnerability.
Stay informed about security best practices and updates related to CodeIgniter.