CVE-2018-20062 : Vulnerability Insights and Analysis
Learn about CVE-2018-20062, a critical security flaw in NoneCms V1.3 allowing remote attackers to execute arbitrary PHP code. Find mitigation steps and long-term security practices here.
A vulnerability has been found in NoneCms V1.3, allowing remote attackers to execute arbitrary PHP code via a crafted 'filter' parameter in the thinkphp/library/think/App.php script.
Understanding CVE-2018-20062
This CVE entry highlights a critical security issue in NoneCms V1.3 that can lead to remote code execution.
What is CVE-2018-20062?
The vulnerability in NoneCms V1.3, specifically in the thinkphp/library/think/App.php script, enables malicious actors to execute arbitrary PHP code by manipulating the 'filter' parameter.
The Impact of CVE-2018-20062
This vulnerability can be exploited by attackers to execute unauthorized PHP code, potentially leading to severe consequences such as data theft, system compromise, and unauthorized access.
Technical Details of CVE-2018-20062
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The flaw in thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code by manipulating the 'filter' parameter, as demonstrated in the provided query string.
Affected Systems and Versions
- Product: NoneCms V1.3
- Vendor: Not specified
- Versions: Not specified
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the 'filter' parameter in the query string, enabling them to execute arbitrary PHP code.
Mitigation and Prevention
Protecting systems from CVE-2018-20062 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or restrict access to the vulnerable component or script (thinkphp/library/think/App.php).
- Implement input validation and sanitization to prevent malicious input.
- Monitor and analyze incoming requests for suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate developers and system administrators on secure coding practices.
- Implement network segmentation and access controls to limit the impact of potential breaches.
Patching and Updates
Stay informed about security updates and patches released by the software vendor to address the vulnerability in NoneCms V1.3.