CVE-2019-10684 in 74cms
Summary
by MITRE
Application/Admin/Controller/ConfigController.class.php in 74cms v5.0.1 allows remote attackers to execute arbitrary PHP code via the index.php?m=Admin&c=config&a=edit site_domain parameter.
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Analysis
by VulDB Data Team • 08/21/2023
The vulnerability identified as CVE-2019-10684 resides within the 74cms v5.0.1 content management system, specifically in the ConfigController class located at Application/Admin/Controller/ConfigController.class.php. This flaw represents a critical remote code execution vulnerability that enables attackers to inject and execute arbitrary PHP code on the target system through a carefully crafted HTTP request. The vulnerability manifests when an attacker manipulates the site_domain parameter within the URL path index.php?m=Admin&c=config&a=edit, which directly corresponds to the administrative configuration management interface of the CMS.
The technical exploitation of this vulnerability stems from inadequate input validation and sanitization within the configuration management component. When the application processes the site_domain parameter, it fails to properly validate or escape user-supplied input before incorporating it into system operations. This absence of proper sanitization creates a direct pathway for code injection attacks, allowing malicious actors to execute arbitrary PHP commands with the privileges of the web application. The vulnerability can be categorized under CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: PowerShell" and T1566.001 for "Phishing: Spearphishing Attachment" as attackers may leverage this vulnerability to establish persistent access through malicious code execution.
The operational impact of this vulnerability is severe and far-reaching for organizations using 74cms v5.0.1, as it provides attackers with complete system compromise capabilities. Successful exploitation allows unauthorized individuals to execute arbitrary commands on the server, potentially leading to data theft, system infiltration, and complete takeover of the affected web application. Attackers could leverage this vulnerability to install backdoors, exfiltrate sensitive data, modify website content, or use the compromised system as a launching point for further attacks within the network infrastructure. The remote nature of this vulnerability means that attackers do not require physical access or prior authentication, making it particularly dangerous for organizations that do not properly segment their web applications or implement adequate network monitoring.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. The primary recommendation involves applying the official security patch provided by the 74cms developers, which would include proper input validation and sanitization mechanisms for the configuration management parameters. Additionally, implementing web application firewalls with custom rules to monitor and block requests containing suspicious input patterns can provide immediate protection. Network segmentation and access control measures should be enforced to limit administrative access to only trusted networks and IP addresses. Regular security audits and vulnerability assessments should be conducted to identify similar flaws in other components of the application stack. Organizations should also consider implementing runtime application self-protection mechanisms and monitoring for unusual command execution patterns that could indicate exploitation attempts. The vulnerability demonstrates the critical importance of input validation and the potential consequences of inadequate sanitization in web applications, particularly those handling administrative configuration parameters where privilege escalation risks are significant.