CVE-2023-30854 in AVideo
Summary
by MITRE • 04/28/2023
AVideo is an open source video platform. Prior to version 12.4, an OS Command Injection vulnerability in an authenticated endpoint `/plugin/CloneSite/cloneClient.json.php` allows attackers to achieve Remote Code Execution. This issue is fixed in version 12.4.
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Analysis
by VulDB Data Team • 04/28/2023
The AVideo platform represents a widely-used open source video management system that enables organizations to host and manage video content through web-based interfaces. This vulnerability affects versions prior to 12.4 and specifically targets an authenticated endpoint within the platform's plugin architecture. The vulnerability exists in the `/plugin/CloneSite/cloneClient.json.php` file which serves as a component for cloning site configurations and managing client deployments. The flaw represents a critical security weakness that undermines the platform's authentication mechanisms and exposes the underlying system to unauthorized code execution.
The technical implementation of this vulnerability stems from improper input validation and sanitization within the clone client functionality. When authenticated users interact with the vulnerable endpoint, the system fails to properly sanitize user-supplied parameters before incorporating them into system commands. This allows an attacker with valid credentials to inject malicious operating system commands through crafted input parameters, effectively bypassing the intended security boundaries of the application. The vulnerability follows the classic pattern of OS command injection as defined by CWE-77 and represents a direct pathway for attackers to execute arbitrary commands on the host system with the privileges of the web application process.
The operational impact of this vulnerability extends beyond simple privilege escalation as it creates a complete compromise vector for attackers who can leverage authenticated access to gain full system control. Once exploited, attackers can execute arbitrary code, access sensitive data, modify system configurations, and potentially use the compromised system as a pivot point for attacking other network resources. The authentication requirement provides some defense-in-depth but does not prevent the exploitation since legitimate users with access can be compromised or attackers can obtain valid credentials through social engineering or other means. This vulnerability directly maps to ATT&CK technique T1059.001 for command and scripting interpreter and T1078.004 for valid accounts, demonstrating how authenticated access combined with command injection creates a powerful attack vector.
Mitigation strategies for this vulnerability require immediate implementation of the vendor-provided patch for version 12.4 which addresses the input sanitization issues in the clone client endpoint. Organizations should also implement network segmentation and access controls to limit exposure of the vulnerable endpoint, particularly in production environments. Additional defensive measures include implementing web application firewalls to detect and block suspicious command injection patterns, conducting regular security assessments of plugin components, and monitoring system logs for unusual command execution patterns. The vulnerability highlights the importance of proper input validation for all user-supplied data and demonstrates why authenticated endpoints require the same level of security scrutiny as public-facing interfaces. Organizations should also consider implementing principle of least privilege for web application accounts and regular credential rotation to minimize the impact of potential credential compromise. The fix in version 12.4 demonstrates the critical need for comprehensive input sanitization and proper command construction when integrating user input into system operations, aligning with security best practices outlined in OWASP Top Ten and NIST cybersecurity frameworks.