CVE-2021-3164 : Exploit Details and Defense Strategies
Learn about CVE-2021-3164, a vulnerability in ChurchRota 2.6.4 allowing authenticated remote code execution. Find out the impact, technical details, and mitigation steps here.
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution, allowing an attacker to upload and execute arbitrary files via a POST request to resources.php without requiring file upload permission.
Understanding CVE-2021-3164
This CVE highlights a security vulnerability in ChurchRota 2.6.4 that can be exploited for remote code execution.
What is CVE-2021-3164?
CVE-2021-3164 pertains to an authenticated remote code execution vulnerability in ChurchRota 2.6.4, enabling attackers to upload and run malicious files through a specific POST request.
The Impact of CVE-2021-3164
The impact of this CVE is significant as it allows unauthorized users to execute malicious code on the affected system, potentially taking control of the application and compromising data.
Technical Details of CVE-2021-3164
This section covers the specific technical details of the CVE.
Vulnerability Description
The vulnerability in ChurchRota 2.6.4 enables authenticated users to upload and execute arbitrary files via a POST request to resources.php, bypassing the file upload permission requirement.
Affected Systems and Versions
ChurchRota 2.6.4 is the affected version by this vulnerability, and systems running this version are at risk of exploitation.
Exploitation Mechanism
Attackers can leverage this vulnerability by sending a crafted POST request to resources.php, allowing them to upload and execute files even without the necessary upload permissions.
Mitigation and Prevention
To address CVE-2021-3164, immediate actions should be taken to secure the ChurchRota installation and prevent unauthorized access.
Immediate Steps to Take
Users are advised to update ChurchRota to a patched version, restrict access to the application, and monitor for any suspicious activities.
Long-Term Security Practices
Implementing access controls, regular security audits, and educating users on safe practices can enhance the long-term security posture of ChurchRota.
Patching and Updates
Regularly updating ChurchRota to the latest version, following security advisories, and applying patches promptly are essential in mitigating the risk posed by CVE-2021-3164.