CVE-2019-11274 : Exploit Details and Defense Strategies
Learn about CVE-2019-11274, an XSS vulnerability in Cloud Foundry UAA versions prior to v74.0.0. Understand the impact, technical details, and mitigation steps to secure your systems.
An XSS vulnerability has been found in versions of Cloud Foundry UAA before 74.0.0. If exploited, a malicious attacker who is not authenticated remotely could create a URL with a SCIM filter that includes harmful JavaScript. This can potentially be executed by outdated web browsers.
Understanding CVE-2019-11274
This CVE involves a Cross-site Scripting (XSS) vulnerability in Cloud Foundry UAA.
What is CVE-2019-11274?
CVE-2019-11274 is an XSS vulnerability in Cloud Foundry UAA versions prior to v74.0.0, allowing remote unauthenticated attackers to execute malicious JavaScript through crafted URLs.
The Impact of CVE-2019-11274
- CVSS Base Score: 4.3 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- User Interaction: Required
- Integrity Impact: Low
- Privileges Required: None
- Scope: Unchanged
- Confidentiality Impact: None
- Availability Impact: None
Technical Details of CVE-2019-11274
This section provides more in-depth technical details of the vulnerability.
Vulnerability Description
Cloud Foundry UAA, versions prior to 74.0.0, are susceptible to an XSS attack where malicious JavaScript can be executed by unauthenticated attackers through specially crafted URLs.
Affected Systems and Versions
- Product: UAA Release (OSS)
- Vendor: Cloud Foundry
- Affected Versions: Prior to v74.0.0
Exploitation Mechanism
The vulnerability can be exploited by remote attackers who are not authenticated, leveraging a SCIM filter in URLs to inject harmful JavaScript that may be executed by outdated web browsers.
Mitigation and Prevention
Protecting systems from CVE-2019-11274 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Cloud Foundry UAA to version 74.0.0 or later to mitigate the XSS vulnerability.
- Monitor and restrict access to sensitive systems to prevent unauthorized exploitation.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Educate users on safe browsing practices and the risks of executing scripts from untrusted sources.
Patching and Updates
- Apply security patches provided by Cloud Foundry promptly to address the XSS vulnerability in UAA.