CVE-2019-3776 Explained : Impact and Mitigation

A reflected cross-site scripting vulnerability in Pivotal Operations Manager versions 2.1.x to 2.4.x allows remote attackers to execute arbitrary JavaScript in a user's browser.

Understanding CVE-2019-3776

This CVE involves a security vulnerability in Pivotal Operations Manager that could lead to the execution of malicious JavaScript in a user's browser.

What is CVE-2019-3776?

The reflected cross-site scripting vulnerability in Pivotal Operations Manager versions 2.1.x to 2.4.x enables attackers to run arbitrary JavaScript by tricking users into interacting with malicious content.

The Impact of CVE-2019-3776

CVSS Base Score: 7.2 (High Severity)
Attack Vector: Network
Attack Complexity: High
Privileges Required: High
User Interaction: None
Confidentiality Impact: Low
Integrity Impact: High
Availability Impact: Low
Scope: Changed

Technical Details of CVE-2019-3776

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows remote attackers to execute arbitrary JavaScript by convincing users to interact with malicious content.

Affected Systems and Versions

Pivotal Ops Manager 2.1.x to 2.1.19
Pivotal Ops Manager 2.2.x to 2.2.16
Pivotal Ops Manager 2.3.x to 2.3.10
Pivotal Ops Manager 2.4.x to 2.4.3

Exploitation Mechanism

The vulnerability can be exploited by remote attackers who persuade users to engage with specially crafted content.

Mitigation and Prevention

Protecting systems from CVE-2019-3776 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Pivotal Operations Manager to versions 2.1.20, 2.2.16, 2.3.10, or 2.4.3 to mitigate the vulnerability.
Educate users about the risks of interacting with unknown or suspicious content.

Long-Term Security Practices

Regularly monitor and update security patches for all software components.
Implement web application firewalls and input validation mechanisms to prevent XSS attacks.

Patching and Updates

Apply security patches provided by Pivotal promptly to address the vulnerability.