CVE-2020-18917 : Vulnerability Insights and Analysis
Learn about CVE-2020-18917, a vulnerability in DedeCMS 5.7 SP2 that allows remote attackers to execute PHP code. Find mitigation steps and best practices for long-term security.
DedeCMS 5.7 SP2 is vulnerable to remote code execution through the plus/search.php component.
Understanding CVE-2020-18917
The vulnerability in DedeCMS 5.7 SP2 allows attackers to execute arbitrary PHP code remotely.
What is CVE-2020-18917?
The plus/search.php component in DedeCMS 5.7 SP2 enables remote attackers to run PHP code by manipulating the typename parameter.
The Impact of CVE-2020-18917
This vulnerability permits attackers to execute malicious PHP code on the target system, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2020-18917
DedeCMS 5.7 SP2 is susceptible to remote code execution due to improper handling of user-controlled input.
Vulnerability Description
The issue arises from the typename parameter in the plus/search.php component, allowing attackers to inject and execute PHP code.
Affected Systems and Versions
- Product: DedeCMS 5.7 SP2
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
Attackers exploit the typename parameter to inject PHP code, gaining unauthorized access and control over the affected system.
Mitigation and Prevention
To secure systems from CVE-2020-18917, follow these steps:
Immediate Steps to Take
- Disable the plus/search.php component if not essential
- Implement input validation to sanitize user-supplied data
- Monitor and restrict external access to vulnerable components
Long-Term Security Practices
- Regularly update DedeCMS to the latest secure version
- Conduct security audits and penetration testing to identify vulnerabilities
Patching and Updates
- Apply patches or security updates provided by DedeCMS to address the vulnerability