CVE-2018-19784 : Exploit Details and Defense Strategies
Learn about CVE-2018-19784, a vulnerability in PHP-Proxy 5.1.0 due to weak cryptography, enabling attackers to calculate authorization data for file inclusion. Find mitigation steps and preventive measures.
PHP-Proxy 5.1.0 Weak Cryptography Vulnerability
Understanding CVE-2018-19784
What is CVE-2018-19784?
The CVE-2018-19784 vulnerability is related to the weak cryptography utilized by the str_rot_pass function in PHP-Proxy 5.1.0. This weakness enables attackers to more easily compute the necessary authorization data for local file inclusion.
The Impact of CVE-2018-19784
This vulnerability allows malicious actors to exploit the weak cryptography in PHP-Proxy 5.1.0, potentially leading to unauthorized access and manipulation of files on the affected system.
Technical Details of CVE-2018-19784
Vulnerability Description
The str_rot_pass function in vendor/atholn1600/php-proxy/src/helpers.php in PHP-Proxy 5.1.0 employs weak cryptography, facilitating attackers in calculating the authorization data required for local file inclusion.
Affected Systems and Versions
- Product: PHP-Proxy
- Vendor: N/A
- Version: 5.1.0 (affected)
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the weak cryptography in the str_rot_pass function to deduce the authorization data necessary for local file inclusion attacks.
Mitigation and Prevention
Immediate Steps to Take
- Update PHP-Proxy to a patched version that addresses the weak cryptography issue.
- Implement strong access controls and authentication mechanisms to mitigate unauthorized access.
Long-Term Security Practices
- Regularly monitor and audit cryptographic implementations in applications.
- Conduct security assessments to identify and remediate vulnerabilities proactively.
Patching and Updates
Apply security patches and updates provided by PHP-Proxy to fix the weak cryptography vulnerability.