CVE-2023-7026 in IPTV Gateway
Summary
by MITRE • 12/21/2023
A vulnerability was found in Lightxun IPTV Gateway up to 20231208. It has been rated as problematic. This issue affects some unknown processing of the file /ZHGXTV/index.php/admin/index/web_upload_template.html. The manipulation of the argument file leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-248579.
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Analysis
by VulDB Data Team • 01/13/2024
The CVE-2023-7026 vulnerability represents a critical security flaw in the Lightxun IPTV Gateway software version up to 20231208, demonstrating a classic unrestricted file upload vulnerability that poses significant risks to network infrastructure systems. This vulnerability resides within the administrative interface processing logic, specifically in the file path /ZHGXTV/index.php/admin/index/web_upload_template.html where the application fails to properly validate or sanitize file upload operations. The flaw allows attackers to bypass normal file validation mechanisms through manipulation of the file argument parameter, enabling them to upload malicious files without restriction. The vulnerability's classification as problematic indicates a substantial security risk that could compromise the entire IPTV gateway system and potentially provide attackers with persistent access to the underlying network infrastructure.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the web application's file upload functionality. When an attacker submits a file through the web_upload_template.html interface, the application does not properly verify the file type, content, or extension before processing the upload. This failure creates a pathway for attackers to upload executable scripts, malicious binaries, or other harmful file types that can be executed within the web server context. The vulnerability's remote exploitability means that attackers do not require physical access to the device or network, as they can leverage the web interface from any location with internet connectivity, making it particularly dangerous for enterprise and service provider deployments.
The operational impact of CVE-2023-7026 extends beyond simple unauthorized file uploads, as it can lead to complete system compromise and persistent backdoor access. Once an attacker successfully exploits this vulnerability, they can upload web shells or other malicious payloads that provide remote code execution capabilities, allowing them to establish persistent access to the IPTV gateway infrastructure. This compromise can result in unauthorized content distribution, network monitoring, data exfiltration, and potential lateral movement within the network. The vulnerability affects not only the specific device but also the broader IPTV ecosystem, as compromised gateways can serve as entry points for attacking other connected systems. The public disclosure of this exploit through VDB-248579 means that threat actors have readily available tools and techniques to leverage this weakness, increasing the likelihood of successful attacks.
Security mitigations for CVE-2023-7026 should focus on immediate remediation through software updates and patches provided by Lightxun, as well as implementing network-level protections. Organizations should restrict access to the administrative web interface through firewall rules and network segmentation, limiting exposure to authorized personnel only. Input validation controls must be implemented to verify file types, content, and extensions before processing uploads, while also implementing proper file storage mechanisms that prevent execution of uploaded content. The vulnerability aligns with CWE-434, which describes unrestricted upload of file with dangerous type, and represents a significant concern under ATT&CK framework category T1190 for exploit public-facing application. Regular security assessments and network monitoring should be conducted to detect any unauthorized access attempts or suspicious file upload activities, while also implementing intrusion detection systems to identify potential exploitation attempts. Organizations should also consider implementing web application firewalls to provide additional protection against such vulnerabilities and establish incident response procedures for rapid mitigation of any exploitation attempts.