CVE-2017-6391 Explained : Impact and Mitigation
Learn about CVE-2017-6391, a security flaw in the Lynx-12.11.0 server of Kaltura allowing unauthorized code execution. Find mitigation steps and prevention measures here.
A security flaw has been identified in the Lynx-12.11.0 server of Kaltura, allowing attackers to execute unauthorized code within a web browser.
Understanding CVE-2017-6391
This CVE involves a vulnerability in the Lynx-12.11.0 server of Kaltura due to inadequate filtering of user-provided data.
What is CVE-2017-6391?
The vulnerability arises from insufficient filtration of user-supplied data passed to specific URLs within the Kaltura server, enabling attackers to run unauthorized HTML and script code on a website.
The Impact of CVE-2017-6391
If exploited, this vulnerability could permit attackers to execute malicious code within the context of a web browser, taking advantage of the website's security weakness.
Technical Details of CVE-2017-6391
This section delves into the technical aspects of the CVE.
Vulnerability Description
The flaw in the Lynx-12.11.0 server of Kaltura allows attackers to inject unauthorized code into specific URLs, potentially compromising the security of the website.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by passing user-provided data to certain URLs within the Kaltura server, enabling the execution of unauthorized code.
Mitigation and Prevention
Protecting systems from CVE-2017-6391 is crucial to prevent potential security breaches.
Immediate Steps to Take
- Apply security patches provided by Kaltura promptly.
- Implement strict input validation mechanisms to prevent unauthorized data injection.
- Monitor and restrict access to vulnerable URLs within the server.
Long-Term Security Practices
- Regularly update and patch the Kaltura server to address security vulnerabilities.
- Conduct security audits and penetration testing to identify and mitigate potential risks.
Patching and Updates
Ensure that the Kaltura server is updated with the latest security patches and fixes to mitigate the CVE-2017-6391 vulnerability.