CVE-2017-3165 : What You Need to Know
Learn about CVE-2017-3165 affecting Apache Brooklyn versions prior to 0.10.0. Understand the impact, technical details, and mitigation steps to prevent cross-site scripting attacks.
Apache Brooklyn before version 0.10.0 is vulnerable to a cross-site scripting flaw that allows authenticated users to execute scripts in other users' browsers. This CVE was published on February 10, 2017.
Understanding CVE-2017-3165
This CVE affects Apache Brooklyn, specifically versions prior to 0.10.0, and poses a risk of cross-site scripting attacks.
What is CVE-2017-3165?
CVE-2017-3165 is a security vulnerability in Apache Brooklyn that enables authenticated users to run scripts in the browsers of other authorized users, exploiting improper server-side content escaping.
The Impact of CVE-2017-3165
The vulnerability allows malicious users to execute scripts in the browsers of other users who have access to the first user's resources, potentially leading to unauthorized actions and data exposure.
Technical Details of CVE-2017-3165
Apache Brooklyn's vulnerability to cross-site scripting can have severe consequences if exploited.
Vulnerability Description
The REST server in Apache Brooklyn versions earlier than 0.10.0 is susceptible to cross-site scripting due to inadequate server-side content escaping. This flaw permits authenticated users to execute scripts in other users' browsers.
Affected Systems and Versions
- Product: Apache Brooklyn
- Vendor: Apache Software Foundation
- Vulnerable Versions: 0.9.0 and all prior versions
Exploitation Mechanism
The vulnerability arises from the lack of proper server-side content escaping, enabling authenticated users to inject and execute scripts in the browsers of other authorized users.
Mitigation and Prevention
Protecting systems from CVE-2017-3165 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Apache Brooklyn to version 0.10.0 or later to mitigate the vulnerability.
- Implement strict input validation and output encoding to prevent cross-site scripting attacks.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Conduct security audits and assessments to identify and remediate potential weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from Apache Software Foundation.
- Apply patches and security fixes promptly to safeguard against known vulnerabilities.