CVE-2019-3794 : Exploit Details and Defense Strategies
Learn about CVE-2019-3794 affecting Cloud Foundry UAA. Discover the impact, affected systems, and mitigation steps for this clickjacking vulnerability.
Cloud Foundry UAA lacks the X-FRAME-OPTIONS header on certain endpoints, making it vulnerable to clickjacking attacks.
Understanding CVE-2019-3794
Cloud Foundry UAA, versions prior to v73.4.0, is susceptible to clickjacking attacks due to the absence of the X-FRAME-OPTIONS header.
What is CVE-2019-3794?
- CWE-284: Improper Access Control - Generic vulnerability in Cloud Foundry UAA
- Lack of X-FRAME-OPTIONS header on specific endpoints
- Allows remote users to execute clickjacking attacks on UAA's frontend sites
The Impact of CVE-2019-3794
- CVSS Base Score: 6.5 (Medium Severity)
- Attack Complexity: Low
- Attack Vector: Network
- Confidentiality Impact: High
- User Interaction Required
Technical Details of CVE-2019-3794
Cloud Foundry UAA vulnerability details
Vulnerability Description
- UAA does not set X-FRAME-OPTIONS header on certain endpoints
- Vulnerable versions: prior to v73.4.0
Affected Systems and Versions
- Product: UAA Release (OSS)
- Vendor: Cloud Foundry
- Affected Version: All versions less than v73.4.0
Exploitation Mechanism
- Remote users can conduct clickjacking attacks on UAA's frontend sites
Mitigation and Prevention
Protecting against CVE-2019-3794
Immediate Steps to Take
- Update UAA to version v73.4.0 or later
- Implement X-FRAME-OPTIONS header to prevent clickjacking
Long-Term Security Practices
- Regularly monitor and update security configurations
- Conduct security assessments to identify vulnerabilities
Patching and Updates
- Apply patches and updates provided by Cloud Foundry to address the vulnerability