CVE-2017-7426 Explained : Impact and Mitigation

NetIQ Identity Manager Plug-ins before version 4.6.1 are vulnerable to XML External Entity (XXE) attacks, potentially leading to information disclosure and denial of service.

Understanding CVE-2017-7426

This CVE involves multiple vulnerabilities in NetIQ Identity Manager Plug-ins related to XXE handling.

What is CVE-2017-7426?

Prior to version 4.6.1, the NetIQ Identity Manager Plug-ins had vulnerabilities in handling XXE, exploitable by malicious actors for data disclosure or DoS attacks.

The Impact of CVE-2017-7426

The vulnerabilities could allow attackers to exploit XXE flaws, leading to information exposure and potential denial of service.

Technical Details of CVE-2017-7426

NetIQ Identity Manager Plug-ins version less than 4.6.1 are affected by XXE vulnerabilities.

Vulnerability Description

The vulnerabilities in the Plug-ins relate to improper handling of XML External Entities, enabling attackers to exploit XXE flaws.

Affected Systems and Versions

Product: Identity Manager Plug-ins
Vendor: NetIQ
Versions Affected: Less than 4.6.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Availability Impact: Low
Base Score: 5.4 (Medium Severity)
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: Low
User Interaction: None
Scope: Unchanged

Mitigation and Prevention

Immediate Steps to Take:

Update NetIQ Identity Manager Plug-ins to version 4.6.1 or higher.
Implement strict input validation to prevent XXE attacks. Long-Term Security Practices:
Regularly monitor and update security patches.
Conduct security assessments to identify and mitigate vulnerabilities.
Educate developers on secure coding practices.
Employ network segmentation to limit attack surfaces.
Consider implementing WAFs or security gateways.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the XXE vulnerabilities in NetIQ Identity Manager Plug-ins.