CVE-2017-7421 Explained : Impact and Mitigation

This CVE-2017-7421 article provides insights into the Reflected and Stored Cross-Site Scripting vulnerabilities affecting Micro Focus Enterprise Developer and Enterprise Server.

Understanding CVE-2017-7421

This CVE involves vulnerabilities in Directory Server and ESMAC in Micro Focus Enterprise Developer and Enterprise Server versions.

What is CVE-2017-7421?

The vulnerabilities known as Reflected and Stored Cross-Site Scripting (XSS, CWE-79) impact Directory Server and ESMAC in Micro Focus Enterprise Developer and Enterprise Server versions 2.3 and earlier, 2.3 Update 1 before Hotfix 8, and 2.3 Update 2 before Hotfix 9. These vulnerabilities allow remote authenticated attackers to bypass protection mechanisms and other security features.

The Impact of CVE-2017-7421

The vulnerabilities enable remote authenticated attackers to bypass protection mechanisms and other security features, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2017-7421

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerabilities involve Reflected and Stored Cross-Site Scripting (XSS, CWE-79) in Directory Server and ESMAC, allowing attackers to bypass security measures.

Affected Systems and Versions

Products: Micro Focus Enterprise Developer, Micro Focus Enterprise Server
Vendor: Micro Focus
Affected Versions: All versions before 2.3 Update 1, 2.3 Update 1 before Hotfix 8, 2.3 Update 2 before Hotfix 9

Exploitation Mechanism

The vulnerabilities can be exploited by remote authenticated attackers to circumvent security controls and gain unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2017-7421 is crucial for maintaining security.

Immediate Steps to Take

Apply relevant security patches and updates provided by Micro Focus.
Monitor and restrict access to vulnerable systems.
Educate users on safe browsing practices to mitigate XSS risks.

Long-Term Security Practices

Implement web application firewalls to filter and block malicious traffic.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Stay informed about security advisories and best practices to enhance overall security posture.

Patching and Updates

Regularly check for security updates and patches released by Micro Focus to address CVE-2017-7421 and other potential vulnerabilities.