CVE-2007-2070 in Sunshop Shopping Cart
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Turnkey Web Tools SunShop Shopping Cart before 3.5.1 allow remote attackers to execute arbitrary PHP code via a URL in the abs_path parameter to (1) index.php or (2) checkout.php.
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Analysis
by VulDB Data Team • 09/06/2024
The CVE-2007-2070 vulnerability represents a critical remote file inclusion flaw in the Turnkey Web Tools SunShop Shopping Cart software prior to version 3.5.1. This vulnerability resides in the application's handling of user-supplied input through the abs_path parameter, which is processed in two primary files: index.php and checkout.php. The flaw allows malicious actors to inject arbitrary URLs that are then included and executed as PHP code on the target server. This type of vulnerability falls under the CWE-88 category of Improper Neutralization of Argument Delimiters in a Command, specifically manifesting as a remote code execution vector through file inclusion mechanisms. The vulnerability stems from insufficient input validation and sanitization, enabling attackers to manipulate the application's file inclusion logic to load and execute malicious code from remote servers.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the abs_path parameter in the HTTP request to either index.php or checkout.php endpoints. The application fails to properly validate or sanitize this input before using it in file inclusion operations, creating an opportunity for attackers to reference external resources such as malicious PHP scripts hosted on attacker-controlled servers. This vulnerability directly maps to the ATT&CK technique T1190 - Exploit Public-Facing Application, where adversaries leverage publicly accessible web applications to execute arbitrary code. The flaw demonstrates poor input handling practices and highlights the critical importance of proper parameter validation in web applications that process user input for file operations. When the vulnerable application processes the malicious input, it effectively executes the remote PHP code, potentially providing attackers with complete control over the affected server.
The operational impact of this vulnerability extends beyond simple code execution to encompass full system compromise and data breaches. Successful exploitation allows attackers to execute arbitrary commands on the target server, potentially leading to unauthorized access to sensitive customer data, including credit card information and personal details stored within the shopping cart system. The vulnerability affects the integrity and confidentiality of e-commerce transactions, as attackers could modify or steal transaction data. Organizations running vulnerable versions of SunShop would face significant operational risks including regulatory compliance violations, financial losses, reputational damage, and potential legal consequences. The vulnerability also represents a persistent threat vector that could be exploited repeatedly, as the flaw exists in the core application logic without proper input validation. This type of vulnerability is particularly dangerous in e-commerce environments where sensitive financial data is processed and stored, making it a prime target for cybercriminals seeking to exploit weaknesses in online payment processing systems.
Mitigation strategies for CVE-2007-2070 require immediate action to upgrade to SunShop version 3.5.1 or later, which contains the necessary patches to address the remote file inclusion vulnerability. Organizations should implement comprehensive input validation measures that sanitize all user-supplied parameters before processing, particularly those used in file inclusion operations. The implementation of a Web Application Firewall (WAF) with rules specifically designed to detect and block malicious file inclusion attempts provides an additional layer of protection. Security configurations should disable remote file inclusion capabilities within PHP applications and enforce strict file path validation. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other web applications. Organizations should also implement proper access controls and monitoring to detect unauthorized access attempts and suspicious activities related to file inclusion operations. The vulnerability underscores the importance of maintaining up-to-date software versions and implementing defense-in-depth strategies to protect against remote code execution attacks targeting web applications.