CVE-2017-7570 : What You Need to Know
Learn about CVE-2017-7570 affecting PivotX version 2.3.11, allowing remote authenticated users to execute arbitrary PHP code by manipulating file extensions. Take immediate steps to secure your system.
In PivotX version 2.3.11, advanced users who are logged in remotely can execute their own PHP code by uploading a file with a harmless extension like .jpg, and subsequently using the duplicate function to change the extension to .php.
Understanding CVE-2017-7570
What is CVE-2017-7570?
PivotX 2.3.11 allows remote authenticated advanced users to execute arbitrary PHP code by performing an upload with a safe file extension (such as .jpg) and then invoking the duplicate function to change to the .php extension.
The Impact of CVE-2017-7570
This vulnerability allows attackers to upload files with malicious PHP code disguised as harmless files, leading to potential remote code execution.
Technical Details of CVE-2017-7570
Vulnerability Description
Users with remote access can exploit the system by changing harmless file extensions to .php, enabling the execution of arbitrary PHP code.
Affected Systems and Versions
- Product: PivotX
- Version: 2.3.11
Exploitation Mechanism
- Attackers upload files with benign extensions like .jpg
- Utilize the duplicate function to change the extension to .php
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to a patched version of PivotX
- Restrict remote access to trusted users
Long-Term Security Practices
- Regularly monitor and audit file uploads
- Implement file type verification mechanisms
Patching and Updates
- Apply security patches promptly to prevent exploitation of this vulnerability.