CVE-2018-19135 : What You Need to Know
Learn about CVE-2018-19135 affecting ClipperCMS 1.3.3. Understand the CSRF vulnerability, its impact, affected systems, exploitation mechanism, and mitigation steps.
ClipperCMS 1.3.3 lacks CSRF protection for its kcfinder file upload feature, allowing malicious actors to perform actions on behalf of users with file upload privileges.
Understanding CVE-2018-19135
What is CVE-2018-19135?
ClipperCMS 1.3.3 is vulnerable to Cross-Site Request Forgery (CSRF) due to missing protection on its kcfinder file upload feature.
The Impact of CVE-2018-19135
This vulnerability enables unauthorized users to upload various file types and access them through the "/assets/files" directory.
Technical Details of CVE-2018-19135
Vulnerability Description
- ClipperCMS 1.3.3 lacks CSRF protection on its kcfinder file upload feature.
- Attackers can exploit this to perform actions on behalf of privileged users.
Affected Systems and Versions
- Product: ClipperCMS 1.3.3
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Malicious individuals can upload files automatically, including html, pdf, xml, zip, and more.
- Uploaded files can be publicly accessed via the "/assets/files" directory.
Mitigation and Prevention
Immediate Steps to Take
- Disable the file upload feature if not essential.
- Implement CSRF protection mechanisms.
Long-Term Security Practices
- Regularly monitor and audit file uploads and access.
- Educate users on safe file handling practices.
Patching and Updates
- Apply patches or updates provided by ClipperCMS to address the CSRF vulnerability.