CVE-2019-13961 Explained : Impact and Mitigation
Discover the CSRF vulnerability in flatCore CMS before version 1.5 allowing unauthorized upload of .php files. Learn the impact, affected systems, exploitation, and mitigation steps.
A CSRF vulnerability in flatCore prior to version 1.5 allows unauthorized upload of arbitrary .php files using acp/core/files.upload-script.php.
Understanding CVE-2019-13961
This CVE involves a security issue in flatCore CMS that enables the unauthorized uploading of malicious PHP files.
What is CVE-2019-13961?
This CVE identifies a Cross-Site Request Forgery (CSRF) vulnerability in flatCore versions before 1.5, which permits the uploading of arbitrary .php files through a specific script.
The Impact of CVE-2019-13961
The vulnerability can be exploited by attackers to upload malicious PHP files, potentially leading to unauthorized access, data theft, or further compromise of the affected system.
Technical Details of CVE-2019-13961
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The CSRF flaw in flatCore CMS versions prior to 1.5 allows threat actors to upload unauthorized .php files via the vulnerable files.upload-script.php.
Affected Systems and Versions
- Product: flatCore
- Vendor: Not applicable
- Versions affected: All versions before 1.5
Exploitation Mechanism
The vulnerability can be exploited by tricking an authenticated user into visiting a malicious website or clicking on a crafted link, leading to the unauthorized upload of malicious PHP files.
Mitigation and Prevention
Protecting systems from CVE-2019-13961 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade flatCore CMS to version 1.5 or newer to mitigate the vulnerability.
- Regularly monitor and review file uploads to detect any suspicious activities.
Long-Term Security Practices
- Implement CSRF tokens to validate and authenticate user requests.
- Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Stay informed about security updates and patches released by flatCore CMS.
- Apply patches promptly to ensure the system is protected against known vulnerabilities.