CVE-2017-7419 : Exploit Details and Defense Strategies

NetIQ Access Manager OAuth Consent screen XSS attack

Understanding CVE-2017-7419

Cross-site scripting vulnerability in NetIQ Access Manager versions 4.3 and 4.2.

What is CVE-2017-7419?

This CVE describes a cross-site scripting vulnerability in NetIQ Access Manager versions 4.3 and 4.2. An unescaped 'description' field specified by the provider led to this vulnerability in the OAuth application.

The Impact of CVE-2017-7419

CVSS Base Score: 4.6 (Medium)
Attack Vector: Network
Attack Complexity: Low
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: Low
Privileges Required: Low
Scope: Unchanged
Availability Impact: None
This vulnerability could allow for cross-site scripting attacks.

Technical Details of CVE-2017-7419

Affecting NetIQ Access Manager versions 4.3 and 4.2.

Vulnerability Description

Cross-site scripting vulnerability due to an unescaped 'description' field.

Affected Systems and Versions

NetIQ Access Manager 4.3 versions prior to 4.3.2
NetIQ Access Manager 4.2 versions prior to 4.2.4

Exploitation Mechanism

Attackers could exploit the unescaped 'description' field to execute cross-site scripting attacks.

Mitigation and Prevention

Steps to address and prevent the vulnerability.

Immediate Steps to Take

Update NetIQ Access Manager to version 4.3.2 or higher for 4.3
Update NetIQ Access Manager to version 4.2.4 or higher for 4.2
Implement input validation to sanitize user inputs

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities
Educate developers on secure coding practices

Patching and Updates

Apply security patches provided by NetIQ promptly