CVE-2017-0369 : Exploit Details and Defense Strategies

In versions prior to 1.28.1 / 1.27.2 / 1.23.16, there is a vulnerability in Mediawiki that enables an administrator to restore deleted pages, even if those pages are protected against such action.

Understanding CVE-2017-0369

This CVE relates to a restriction bypass vulnerability in Mediawiki that allows sysops to undelete pages, even if protected.

What is CVE-2017-0369?

CVE-2017-0369 is a security vulnerability in Mediawiki versions before 1.28.1 / 1.27.2 / 1.23.16 that permits sysops to restore deleted pages despite protection settings.

The Impact of CVE-2017-0369

The vulnerability allows unauthorized access to deleted pages, potentially compromising the integrity and confidentiality of the content.

Technical Details of CVE-2017-0369

This section provides detailed technical information about the CVE.

Vulnerability Description

Mediawiki versions before 1.28.1 / 1.27.2 / 1.23.16 contain a flaw that enables sysops to undelete pages, bypassing protection measures.

Affected Systems and Versions

Product: Mediawiki
Vendor: Mediawiki
Versions affected: Prior to 1.28.1 / 1.27.2 / 1.23.16

Exploitation Mechanism

The vulnerability allows sysops to restore deleted pages, overriding protection settings and potentially accessing sensitive information.

Mitigation and Prevention

Protect systems from CVE-2017-0369 with these security measures.

Immediate Steps to Take

Update Mediawiki to version 1.28.1 / 1.27.2 / 1.23.16 or newer.
Monitor and restrict sysops' actions on sensitive pages.
Regularly review and audit page deletions and restorations.

Long-Term Security Practices

Implement role-based access controls to limit sysops' privileges.
Conduct security training for administrators on proper page management.

Patching and Updates

Apply security patches promptly to mitigate known vulnerabilities.