CVE-2017-2164 in SOY
Summary
by MITRE
Cross-site scripting vulnerability in SOY CMS with installer 1.8.12 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 09/26/2020
The CVE-2017-2164 vulnerability represents a critical cross-site scripting flaw within the SOY CMS installer version 1.8.12 and earlier releases, demonstrating a fundamental weakness in web application input validation and output encoding mechanisms. This vulnerability classifies under CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user-supplied data before incorporating it into web pages. The issue arises from inadequate sanitization of parameters or data fields that are processed during the CMS installation phase, creating an attack surface where malicious actors can execute arbitrary JavaScript code within the context of a victim's browser session.
The technical exploitation of this vulnerability occurs through unspecified vectors that likely involve manipulation of installer parameters, configuration inputs, or user-provided data fields during the CMS setup process. Attackers can craft malicious payloads that, when processed by the vulnerable installer, get executed in the browser of any user who accesses the affected installation page. This creates a persistent threat vector where the malicious code can perform actions such as stealing session cookies, redirecting users to malicious sites, or performing unauthorized actions on behalf of authenticated users. The vulnerability's impact extends beyond simple script injection as it can enable more sophisticated attacks including session hijacking, data exfiltration, and privilege escalation within the compromised environment.
From an operational standpoint, this vulnerability poses significant risks to organizations deploying SOY CMS installations, particularly in environments where the installer interface is accessible to untrusted users or where the installation process occurs in public-facing environments. The remote nature of the attack means that exploitation can occur without requiring physical access to the system or prior authentication, making it particularly dangerous for web applications that are exposed to the internet. The vulnerability affects the core installation process, potentially compromising the integrity of the entire CMS deployment and creating opportunities for attackers to establish persistent access to the affected systems. Organizations may experience unauthorized data access, service disruption, and potential compromise of additional systems if the vulnerability is exploited to gain initial access to the network infrastructure.
Mitigation strategies for CVE-2017-2164 should prioritize immediate patching of affected SOY CMS installations to version 1.8.13 or later, which contains the necessary fixes for the XSS vulnerability. Network administrators should implement input validation controls at multiple layers including web application firewalls, proper output encoding for all dynamic content, and comprehensive sanitization of all user-provided data before processing. The implementation of Content Security Policy headers can provide additional protection against script execution, while regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the web application stack. Organizations should also consider implementing monitoring solutions that can detect anomalous behavior patterns indicative of XSS exploitation attempts, and establish incident response procedures that address potential compromise of CMS installation interfaces. This vulnerability aligns with ATT&CK technique T1059.007 - Command and Scripting Interpreter: JavaScript, highlighting the need for comprehensive security controls that address both the execution and prevention of malicious script injection attacks within web environments.