CVE-2017-1000480 : What You Need to Know
Learn about CVE-2017-1000480 affecting Smarty versions prior to 3.1.32. Understand the impact, exploitation mechanism, and mitigation steps to secure your systems.
Versions of Smarty prior to 3.1.32 may be susceptible to a PHP code injection vulnerability when using fetch() or display() functions on custom resources that do not properly sanitize the template name.
Understanding CVE-2017-1000480
Smarty 3 before 3.1.32 is vulnerable to a PHP code injection issue.
What is CVE-2017-1000480?
Smarty 3 before 3.1.32 is prone to a PHP code injection vulnerability when certain functions are used on custom resources without adequate template name sanitization.
The Impact of CVE-2017-1000480
This vulnerability could allow an attacker to execute arbitrary PHP code on the server, leading to potential data breaches, system compromise, and unauthorized access.
Technical Details of CVE-2017-1000480
Smarty 3 before 3.1.32 is affected by a PHP code injection vulnerability.
Vulnerability Description
The issue arises when the fetch() or display() functions are utilized on custom resources that lack proper template name sanitization, enabling malicious PHP code injection.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions: Smarty versions prior to 3.1.32
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious template names and utilizing the fetch() or display() functions to inject and execute PHP code.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-1000480.
Immediate Steps to Take
- Upgrade to Smarty version 3.1.32 or newer to eliminate the vulnerability.
- Ensure all custom resources properly sanitize template names to prevent code injection.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions to patch known vulnerabilities.
- Implement input validation and output encoding to prevent code injection attacks.
- Conduct security audits and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
- Stay informed about security advisories and updates from Smarty to apply patches promptly and enhance system security.