CVE-2017-0363 : Security Advisory and Response

A vulnerability in Mediawiki versions prior to 1.28.1 / 1.27.2 / 1.23.16 allows users to be redirected to external websites when visiting a specific page.

Understanding CVE-2017-0363

This CVE involves a redirection vulnerability in Mediawiki versions before specific releases, potentially leading users to external sites.

What is CVE-2017-0363?

CVE-2017-0363 is a security flaw in Mediawiki versions prior to 1.28.1 / 1.27.2 / 1.23.16 that enables redirection to external websites when accessing a particular page.

The Impact of CVE-2017-0363

The vulnerability could result in users unknowingly being redirected to malicious external sites, posing risks such as phishing attacks or exposure to harmful content.

Technical Details of CVE-2017-0363

This section provides detailed technical information about the CVE.

Vulnerability Description

The flaw in Mediawiki versions before 1.28.1 / 1.27.2 / 1.23.16 allows redirection to external sites when users access Special:UserLogin?returnto=interwiki:foo.

Affected Systems and Versions

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

Exploitation Mechanism

Users visiting Special:UserLogin?returnto=interwiki:foo may unknowingly be redirected to external websites due to this vulnerability.

Mitigation and Prevention

Protect your systems and users from the CVE-2017-0363 vulnerability.

Immediate Steps to Take

Update Mediawiki to versions 1.28.1 / 1.27.2 / 1.23.16 or newer to mitigate the redirection issue.
Educate users to avoid accessing suspicious links that may trigger the redirection vulnerability.

Long-Term Security Practices

Regularly monitor and update software to patch known vulnerabilities promptly.
Implement security awareness training to educate users on safe browsing practices.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.