CVE-2021-37389 : Exploit Details and Defense Strategies
Discover how CVE-2021-37389 impacts Chamilo 1.11.14, the risks of stored XSS attacks, affected systems, exploitation methods, and mitigation strategies against this security vulnerability.
Chamilo 1.11.14 is vulnerable to stored XSS via specific endpoints, leading to potential security risks.
Understanding CVE-2021-37389
This CVE identifies a stored cross-site scripting (XSS) vulnerability in Chamilo 1.11.14, which can be exploited through certain URLs.
What is CVE-2021-37389?
The vulnerability in Chamilo 1.11.14 allows stored XSS attacks via the port parameter in specific endpoints like main/install/index.php and main/install/ajax.php.
The Impact of CVE-2021-37389
Exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the user's session, leading to unauthorized access or the theft of sensitive information.
Technical Details of CVE-2021-37389
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The stored XSS vulnerability in Chamilo 1.11.14 arises from insufficient input validation in the port parameter of main/install/index.php and main/install/ajax.php.
Affected Systems and Versions
Chamilo 1.11.14 is confirmed to be affected by this vulnerability, exposing systems with this version to potential attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts through the port parameter, which are then stored and executed in a user's browser upon accessing the affected endpoints.
Mitigation and Prevention
To protect systems from potential exploitation, certain steps can be taken to mitigate the risks posed by CVE-2021-37389.
Immediate Steps to Take
It is recommended to apply security patches or updates provided by the vendor to address the vulnerability in Chamilo 1.11.14. Additionally, users should avoid interacting with suspicious links or untrusted websites to minimize the risk of XSS attacks.
Long-Term Security Practices
Implementing rigorous input validation mechanisms, conducting regular security assessments, and educating users on safe browsing practices can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security advisories from Chamilo and apply patches promptly to ensure that systems are protected against known vulnerabilities.