CVE-2018-1000611 Explained : Impact and Mitigation

A security flaw has been discovered in SURFnet OpenConext EngineBlock version 5.7.0 to 5.7.3, classified as a Cross-Site Scripting (XSS) vulnerability, allowing unauthorized injection of web scripts or HTML.

Understanding CVE-2018-1000611

This CVE involves a Cross-Site Scripting (XSS) vulnerability in SURFnet OpenConext EngineBlock version 5.7.0 to 5.7.3.

What is CVE-2018-1000611?

The vulnerability allows an unauthorized user to inject unauthorized web scripts or HTML into help and login pages, potentially executed when accessing a specific URL created by the attacker.

The Impact of CVE-2018-1000611

Unauthorized injection of web scripts or HTML
Risk of executing malicious scripts when victims access crafted URLs

Technical Details of CVE-2018-1000611

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in SURFnet OpenConext EngineBlock version 5.7.0 to 5.7.3 allows attackers to inject arbitrary web scripts or HTML into help and login pages.

Affected Systems and Versions

Product: SURFnet OpenConext EngineBlock
Versions: 5.7.0 to 5.7.3

Exploitation Mechanism

The attack can be executed by an unauthorized user injecting web scripts or HTML into specific URLs, which are then accessed by victims.

Mitigation and Prevention

Protect your systems from CVE-2018-1000611 with the following steps:

Immediate Steps to Take

Update to a patched version of SURFnet OpenConext EngineBlock
Implement input validation to prevent script injection

Long-Term Security Practices

Regular security audits and code reviews
Educate users on safe browsing practices

Patching and Updates

Apply security patches promptly