CVE-2023-36800 : What You Need to Know
Understand the Dynamics Finance and Operations Cross-site Scripting Vulnerability impacting Dynamics 365 for Finance and Operations by Microsoft. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2023-36800
A Cross-site Scripting Vulnerability in Dynamics 365 for Finance and Operations
What is CVE-2023-36800?
The Dynamics Finance and Operations Cross-site Scripting Vulnerability affects the Dynamics 365 for Finance and Operations product by Microsoft. This vulnerability allows an attacker to execute malicious scripts in the context of an unsuspecting user's session.
The Impact of CVE-2023-36800
The impact of this vulnerability is rated as HIGH. It can lead to spoofing attacks where an attacker can impersonate a legitimate user and perform unauthorized actions.
Technical Details of CVE-2023-36800
Details about the Vulnerability, Affected Systems, and Exploitation Mechanism
Vulnerability Description
The vulnerability arises due to improper validation of user-supplied input. When exploited, it can result in the execution of arbitrary scripts within the user's browser, leading to potential data theft or unauthorized actions.
Affected Systems and Versions
The affected system is Dynamics 365 for Finance and Operations, specifically version 10.0.0 up to less than version 10.0.1695. Custom installations fall under this vulnerable range.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious links or forms that, when interacted with by a user with the vulnerable system, trigger the execution of unauthorized scripts.
Mitigation and Prevention
Best Practices to Address and Prevent CVE-2023-36800
Immediate Steps to Take
Users and administrators are advised to apply security patches provided by Microsoft promptly. Additionally, exercise caution with links and attachments from untrusted sources.
Long-Term Security Practices
Regular security training for users to recognize phishing attempts can enhance overall security awareness. Employing web application firewalls and robust input validation mechanisms can also help mitigate the risk of XSS attacks.
Patching and Updates
Ensure that the affected Dynamics 365 for Finance and Operations installations are updated to versions that contain the security patch addressing this vulnerability.