CVE-2021-36212 : Vulnerability Insights and Analysis
Learn about CVE-2021-36212, a vulnerability in MISP before 2.4.146 allowing stored XSS attacks in the sharing groups view. Find out the impact, affected systems, and mitigation steps.
This CVE-2021-36212 article provides insights into a vulnerability found in MISP before version 2.4.146 that allows stored cross-site scripting (XSS) attacks in the sharing groups view.
Understanding CVE-2021-36212
This section delves into the details of the CVE-2021-36212 vulnerability affecting MISP versions prior to 2.4.146.
What is CVE-2021-36212?
The vulnerability in app/View/SharingGroups/view.ctp in MISP before 2.4.146 enables stored XSS attacks within the sharing groups view.
The Impact of CVE-2021-36212
The presence of this vulnerability could lead to potential exploitation by attackers to execute malicious scripts within the context of the user's browser, compromising the security and integrity of the system.
Technical Details of CVE-2021-36212
This section outlines the technical aspects of the CVE-2021-36212 vulnerability.
Vulnerability Description
The vulnerability allows threat actors to inject and execute malicious scripts in the sharing groups view of MISP versions before 2.4.146, posing a risk of unauthorized access and data manipulation.
Affected Systems and Versions
All versions of MISP preceding 2.4.146 are impacted by this security flaw, potentially exposing users to XSS attacks in the sharing groups view.
Exploitation Mechanism
By exploiting the vulnerability in app/View/SharingGroups/view.ctp, malicious actors can craft and store malicious scripts that get executed when unsuspecting users access the affected view, leading to unauthorized activities.
Mitigation and Prevention
This section provides guidance on mitigating the risks associated with CVE-2021-36212.
Immediate Steps to Take
Users are advised to update their MISP installations to version 2.4.146 or later to eliminate the vulnerability and prevent the execution of stored XSS attacks in the sharing groups view.
Long-Term Security Practices
Implementing strict input validation and output encoding practices within web applications can help prevent XSS vulnerabilities and enhance overall system security.
Patching and Updates
Regularly applying security patches and updates provided by MISP is essential to address known vulnerabilities and ensure the protection of sensitive data.