CVE-2019-11447 : Vulnerability Insights and Analysis

CutePHP CuteNews 2.1.2 vulnerability allows unauthorized access to servers through avatar upload feature manipulation.

Understanding CVE-2019-11447

What is CVE-2019-11447?

An issue in CutePHP CuteNews 2.1.2 enables attackers to exploit the avatar upload process, potentially leading to code execution.

The Impact of CVE-2019-11447

The vulnerability allows unauthorized individuals to gain access to servers by manipulating the avatar upload feature.

Technical Details of CVE-2019-11447

Vulnerability Description

Exploitable through the avatar_file field in index.php?mod=main&opt=personal
Lack of validation in $imgsize in /core/modules/dashboard.php
Allows modification of file header content for potential code execution

Affected Systems and Versions

Product: CutePHP CuteNews 2.1.2
Vendor: CutePHP
Version: 2.1.2

Exploitation Mechanism

Attackers can manipulate the avatar_file field to infiltrate servers
By changing file header content, attackers can bypass control measures

Mitigation and Prevention

Immediate Steps to Take

Disable the avatar upload feature if not essential
Implement strict input validation for file uploads
Monitor server logs for suspicious activities

Long-Term Security Practices

Regularly update CutePHP CuteNews to the latest version
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Apply patches provided by CutePHP to fix the vulnerability