CVE-2019-4011 Explained : Impact and Mitigation

IBM BigFix Platform versions 9.2 and 9.5 are vulnerable to a cross-site scripting (XSS) issue that allows attackers to insert malicious JavaScript code into the Web UI, potentially leading to credential disclosure. This CVE was identified by IBM X-Force with ID 155885.

Understanding CVE-2019-4011

This CVE involves a security vulnerability in IBM BigFix Platform versions 9.2 and 9.5 related to cross-site scripting.

What is CVE-2019-4011?

Cross-site scripting vulnerability in IBM BigFix Platform versions 9.2 and 9.5 allows unauthorized users to inject JavaScript code into the Web UI, altering its intended behavior and potentially exposing sensitive information.

The Impact of CVE-2019-4011

The vulnerability could result in the disclosure of credentials during a trusted session, posing a risk to the confidentiality and integrity of data.

Technical Details of CVE-2019-4011

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in IBM BigFix Platform versions 9.2 and 9.5 enables attackers to execute arbitrary JavaScript code within the Web UI, compromising its security.

Affected Systems and Versions

Product: BigFix Platform
Vendor: IBM
Affected Versions: 9.2, 9.5

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Exploit Code Maturity: High
Scope: Changed
CVSS Base Score: 5.4 (Medium)
CVSS Temporal Score: 5.2 (Medium)

Mitigation and Prevention

Protecting systems from CVE-2019-4011 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Educate users about the risks of executing untrusted scripts in the Web UI.

Long-Term Security Practices

Regularly update and patch the BigFix Platform to prevent known vulnerabilities.
Implement secure coding practices to mitigate XSS vulnerabilities.
Monitor and restrict user input to prevent malicious script injections.
Conduct security assessments and audits periodically.
Stay informed about security bulletins and updates from IBM.
Consider implementing web application firewalls to filter and block malicious scripts.

Patching and Updates

Ensure that the BigFix Platform is regularly updated with the latest security patches and fixes to address known vulnerabilities.