CVE-2019-3775 : What You Need to Know

Cloud Foundry UAA prior to version v70.0 allows users to change their email addresses, posing a risk of impersonation by authenticated users.

Understanding CVE-2019-3775

This CVE highlights a vulnerability in Cloud Foundry UAA that enables users to manipulate their email addresses, potentially leading to impersonation attacks.

What is CVE-2019-3775?

Prior to version v70.0, Cloud Foundry UAA allows users to modify their email addresses. This vulnerability can be exploited by a remote authenticated user to impersonate another user by changing their email address.

The Impact of CVE-2019-3775

The vulnerability poses a high severity risk with a CVSS base score of 7.1. It can lead to integrity impact as authenticated users can impersonate others, affecting the confidentiality of the system.

Technical Details of CVE-2019-3775

Cloud Foundry UAA vulnerability details and affected systems.

Vulnerability Description

The vulnerability in Cloud Foundry UAA allows authenticated users to change their email addresses, potentially leading to impersonation of other users.

Affected Systems and Versions

Product: UAA Release (OSS)
Vendor: Cloud Foundry
Versions Affected: All versions prior to v70.0

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Changed

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-3775 vulnerability.

Immediate Steps to Take

Upgrade Cloud Foundry UAA to version v70.0 or higher to address the vulnerability.
Monitor user email address changes for suspicious activities.

Long-Term Security Practices

Implement multi-factor authentication to enhance user verification.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Cloud Foundry to ensure system security.