CVE-2017-7447 in HelpDEZk
Summary
by MITRE
HelpDEZk 1.1.1 has CSRF in admin/home#/logos/ with an impact of remote execution of arbitrary PHP code.
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Analysis
by VulDB Data Team • 09/06/2025
The vulnerability identified as CVE-2017-7447 affects HelpDEZk version 1.1.1 and represents a critical cross-site request forgery flaw within the administrative interface at the endpoint admin/home#/logos/. This vulnerability allows attackers to execute arbitrary PHP code remotely, posing significant security risks to affected systems. The flaw exists in the web application's handling of requests to the logos management section, where proper CSRF protection mechanisms are absent or insufficiently implemented.
The technical implementation of this vulnerability stems from the absence of anti-CSRF tokens or other validation mechanisms when processing requests to modify logo configurations within the admin panel. When an authenticated administrator performs actions related to logo management, the application fails to verify that the request originates from a legitimate administrative session rather than a maliciously crafted request. This omission creates a pathway for attackers to craft specially designed requests that, when executed by an authenticated admin, can result in arbitrary code execution on the server. The vulnerability specifically targets the PHP-based web application framework, making it particularly dangerous as PHP code execution can lead to complete system compromise.
The operational impact of this vulnerability extends far beyond simple data manipulation, as remote code execution capabilities enable attackers to gain full control over the affected server. An attacker could leverage this vulnerability to upload malicious files, establish backdoors, exfiltrate sensitive data, or use the compromised system as a staging ground for further attacks within the network. The administrative context of the vulnerability means that successful exploitation would provide attackers with elevated privileges and access to all administrative functions of the HelpDEZk application, potentially leading to complete system takeover. This represents a severe threat to organizations relying on this software for help desk management.
Mitigation strategies for CVE-2017-7447 should focus on immediate remediation through patching the application to version 1.1.2 or later, which contains the necessary CSRF protection mechanisms. Organizations should implement proper input validation and ensure that all administrative endpoints require anti-CSRF tokens for any state-changing operations. The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses, and falls under the ATT&CK technique T1059.007 for PHP code execution. Additional defensive measures include implementing web application firewalls, conducting regular security assessments, and ensuring that administrative interfaces require multi-factor authentication. Network segmentation and monitoring for unusual administrative activities can also help detect potential exploitation attempts. Organizations should also review their application's security configuration and ensure that all user sessions are properly validated to prevent unauthorized administrative access.