CVE-2017-15876 Explained : Impact and Mitigation
Learn about CVE-2017-15876, a security flaw in GPWeb 8.4.61 allowing remote authenticated users to upload any file, including PHP shells. Find mitigation steps and prevention measures.
A vulnerability known as Unrestricted File Upload has been identified in GPWeb version 8.4.61, allowing remote authenticated users to upload any type of file, including a PHP shell.
Understanding CVE-2017-15876
This CVE entry highlights a security issue in GPWeb version 8.4.61 that permits authenticated remote users to upload files without restrictions, potentially leading to malicious activities.
What is CVE-2017-15876?
The CVE-2017-15876 vulnerability in GPWeb 8.4.61 enables authenticated remote users to upload files of any format, including PHP shells, posing a significant security risk.
The Impact of CVE-2017-15876
The vulnerability allows attackers to upload malicious files, potentially leading to unauthorized access, data breaches, and the execution of arbitrary code on the affected system.
Technical Details of CVE-2017-15876
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The Unrestricted File Upload vulnerability in GPWeb 8.4.61 allows authenticated remote users to upload any type of file, including PHP shells, which can be exploited for malicious purposes.
Affected Systems and Versions
- Affected System: GPWeb version 8.4.61
- Affected Users: Remote authenticated users
Exploitation Mechanism
The vulnerability enables attackers with authentication credentials to upload files of any format, potentially leading to the execution of malicious scripts like PHP shells.
Mitigation and Prevention
Protecting systems from CVE-2017-15876 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable file upload functionality if not essential
- Implement file type restrictions for uploads
- Regularly monitor uploaded files for suspicious content
Long-Term Security Practices
- Conduct regular security assessments and audits
- Keep software and systems up to date with the latest security patches
- Educate users on safe file upload practices
Patching and Updates
Ensure that GPWeb version 8.4.61 is updated with the latest security patches to mitigate the Unrestricted File Upload vulnerability.