CVE-2017-15039 : Exploit Details and Defense Strategies
Learn about CVE-2017-15039, a cross-site scripting (XSS) vulnerability in Zurmo version 3.2.1.57987acc3018. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Zurmo version 3.2.1.57987acc3018 is vulnerable to cross-site scripting (XSS) through a data: URL in the redirectUrl parameter of the app/index.php/meetings/default/createMeeting endpoint.
Understanding CVE-2017-15039
This CVE entry describes a specific vulnerability in Zurmo version 3.2.1.57987acc3018 that allows for XSS attacks.
What is CVE-2017-15039?
CVE-2017-15039 is a cross-site scripting (XSS) vulnerability found in Zurmo version 3.2.1.57987acc3018, which can be exploited through a data: URL in the redirectUrl parameter of the app/index.php/meetings/default/createMeeting endpoint.
The Impact of CVE-2017-15039
This vulnerability could allow an attacker to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized access, data theft, or other harmful actions.
Technical Details of CVE-2017-15039
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability exists in Zurmo version 3.2.1.57987acc3018 due to improper handling of data: URLs in the redirectUrl parameter of the app/index.php/meetings/default/createMeeting endpoint.
Affected Systems and Versions
- Affected Version: Zurmo version 3.2.1.57987acc3018
Exploitation Mechanism
The vulnerability can be exploited by injecting a malicious data: URL into the redirectUrl parameter of the specified endpoint, allowing an attacker to execute arbitrary scripts in the victim's browser.
Mitigation and Prevention
Protecting systems from CVE-2017-15039 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable data: URLs in user-generated content to prevent XSS attacks.
- Implement input validation and output encoding to sanitize user inputs and prevent script injection.
Long-Term Security Practices
- Regularly update Zurmo to the latest version to patch known vulnerabilities.
- Conduct security audits and penetration testing to identify and address potential security weaknesses.
Patching and Updates
Ensure that Zurmo version 3.2.1.57987acc3018 is updated with the latest security patches to mitigate the XSS vulnerability.