CVE-2017-15216 Explained : Impact and Mitigation
Learn about CVE-2017-15216, a reflected XSS vulnerability in MISP prior to version 2.4.81. Find out the impact, affected systems, exploitation method, and mitigation steps.
MISP before version 2.4.81 has a potential reflected XSS vulnerability in the quickDelete action, allowing attackers to execute malicious scripts.
Understanding CVE-2017-15216
This CVE entry highlights a security issue in MISP that could be exploited by attackers to perform cross-site scripting attacks.
What is CVE-2017-15216?
The vulnerability in MISP version prior to 2.4.81 allows for reflected XSS through the quickDelete action, used for deleting sightings. The specific files associated with this vulnerability are app/View/Sightings/ajax/quickDeleteConfirmationForm.ctp and app/webroot/js/misp.js.
The Impact of CVE-2017-15216
The vulnerability could be exploited by malicious actors to execute arbitrary scripts in the context of the user's browser, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2017-15216
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability lies in the quickDelete action of MISP, enabling the injection of malicious scripts that get executed in the user's browser.
Affected Systems and Versions
- Product: MISP
- Vendor: N/A
- Versions: All versions prior to 2.4.81
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious link and tricking a user with privileges to click on it, leading to the execution of unauthorized scripts.
Mitigation and Prevention
Protecting systems from CVE-2017-15216 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade MISP to version 2.4.81 or later to mitigate the vulnerability.
- Educate users about the risks of clicking on untrusted links to prevent exploitation.
Long-Term Security Practices
- Regularly update and patch MISP to address security vulnerabilities promptly.
- Implement content security policies to mitigate the impact of XSS attacks.
- Conduct security training for users to enhance awareness of social engineering tactics.
- Monitor and analyze web traffic for suspicious activities that may indicate exploitation attempts.
Patching and Updates
Ensure that MISP is regularly updated to the latest version to address security vulnerabilities and protect against potential exploits.