CVE-2013-7317 in CS-Cart
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in CS-Cart before 4.1.1 allow remote attackers to inject arbitrary web script or HTML via the (1) settings_file or (2) data_file parameter to (a) ampie.swf, (b) amline.swf, or (c) amcolumn.swf.
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Analysis
by VulDB Data Team • 08/18/2024
The vulnerability identified as CVE-2013-7317 represents a critical cross-site scripting flaw affecting CS-Cart versions prior to 4.1.1. This vulnerability resides in the web application's handling of file upload parameters within specific flash-based components used for data visualization and management. The affected files include ampie.swf, amline.swf, and amcolumn.swf which are part of the application's analytics and reporting modules. These flash components are designed to process and display graphical data representations but fail to properly sanitize user-supplied input parameters, creating exploitable entry points for malicious actors.
The technical flaw manifests through improper input validation and output encoding mechanisms within the application's file handling processes. Attackers can leverage this vulnerability by manipulating the settings_file or data_file parameters when interacting with the vulnerable flash components. When these parameters contain malicious script code, the flash applications fail to properly escape or filter the input before rendering it in the browser context. This allows remote attackers to inject arbitrary web scripts or HTML content that executes within the victim's browser session, potentially compromising user data and application integrity.
The operational impact of this vulnerability extends beyond simple script injection, as it creates a persistent threat vector that can be exploited for various malicious activities. An attacker could use this vulnerability to steal session cookies, redirect users to malicious sites, deface the application interface, or even execute more sophisticated attacks such as credential theft or privilege escalation within the application's context. The vulnerability affects the core functionality of the CS-Cart e-commerce platform, potentially compromising the entire user management and transaction processing system. The attack surface is particularly concerning because it targets components that are integral to the platform's analytics and reporting capabilities, making it difficult for administrators to identify and isolate the specific vulnerable elements.
Security professionals should implement multiple layers of mitigation strategies to address this vulnerability effectively. The primary recommendation involves upgrading to CS-Cart version 4.1.1 or later, which contains the necessary patches to address the input validation deficiencies. Additionally, administrators should implement strict input filtering and output encoding mechanisms at multiple points within the application's architecture. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and could potentially map to ATT&CK technique T1059.007 for script execution through web interfaces. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit these parameters, while establishing comprehensive monitoring protocols to identify unusual file upload activities that might indicate exploitation attempts.