CVE-2019-17188 : Security Advisory and Response
Learn about CVE-2019-17188, a security flaw in Fecshop FecMall 2.3.4 allowing unrestricted file uploads, enabling attackers to transfer malicious PHP code to the webserver. Find mitigation steps and prevention measures.
A security flaw in Fecshop FecMall 2.3.4 allows for the unrestricted upload of files, posing a risk of transferring malicious PHP code to the webserver.
Understanding CVE-2019-17188
A vulnerability in the catalog/productinfo/imageupload function of Fecshop FecMall 2.3.4 enables attackers to upload PHP files by manipulating image data.
What is CVE-2019-17188?
This CVE identifies an unrestricted file upload vulnerability in Fecshop FecMall 2.3.4, allowing attackers to bypass front-end restrictions and upload malicious PHP code.
The Impact of CVE-2019-17188
The vulnerability permits attackers to execute arbitrary PHP code on the webserver, potentially leading to data breaches, server compromise, and unauthorized access.
Technical Details of CVE-2019-17188
The technical aspects of the vulnerability are crucial for understanding its implications and implementing effective mitigation strategies.
Vulnerability Description
The flaw in the catalog/productinfo/imageupload function of Fecshop FecMall 2.3.4 enables the upload of PHP files by specifying image/jpeg content type with a .php extension, exploiting the reliance on the getimagesize function.
Affected Systems and Versions
- Product: Fecshop FecMall 2.3.4
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating image data, specifying image/jpeg content type, and appending a .php extension to upload malicious PHP code.
Mitigation and Prevention
Addressing CVE-2019-17188 requires immediate actions and long-term security practices to safeguard systems against potential exploitation.
Immediate Steps to Take
- Disable the affected function or apply security patches promptly.
- Implement input validation to restrict file uploads to authorized formats.
- Monitor file uploads for suspicious activities.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify vulnerabilities.
- Educate developers and users on secure coding practices and file upload security.
- Keep systems and software updated to prevent known vulnerabilities.
- Utilize web application firewalls to filter and block malicious file uploads.
Patching and Updates
- Stay informed about security advisories and updates from Fecshop FecMall.
- Apply patches and updates provided by the vendor to address the vulnerability effectively.