CVE-2023-4546 in Smart S85F Management Platform
Summary
by MITRE • 08/26/2023
A vulnerability was found in Beijing Baichuo Smart S85F Management Platform up to 20230816. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /sysmanage/licence.php. The manipulation leads to improper access controls. The exploit has been disclosed to the public and may be used. The identifier VDB-238057 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 04/09/2024
This vulnerability affects the Beijing Baichuo Smart S85F Management Platform version 20230816 and earlier, representing a critical access control flaw within the system's licensing management functionality. The issue resides in the /sysmanage/licence.php file which handles license validation and management operations. The vulnerability allows unauthorized access to protected system resources through improper access control mechanisms that fail to properly validate user permissions and authentication status. This represents a fundamental breakdown in the platform's security architecture where legitimate access controls are bypassed, potentially enabling malicious actors to gain elevated privileges or access sensitive system information.
The technical exploitation of this vulnerability demonstrates a clear violation of the principle of least privilege and proper authentication mechanisms. The improper access controls in the licensing component suggest that the system fails to implement adequate session management, user role validation, or authorization checks when processing license-related requests. This flaw likely stems from insufficient input validation, missing authentication checks, or improper privilege escalation handling within the php file. The vulnerability's classification as publicly disclosed indicates that threat actors have already developed working exploits, making the system immediately vulnerable to attack without requiring advanced technical skills.
The operational impact of this vulnerability extends beyond simple unauthorized access to potentially enable complete system compromise. An attacker could leverage this weakness to manipulate license files, potentially gaining administrative privileges or accessing restricted system functions. The implications are particularly severe for management platforms that handle critical infrastructure operations, as this vulnerability could allow attackers to disrupt services, modify system configurations, or extract sensitive operational data. The affected platform's role in smart management systems suggests that successful exploitation could impact network security, device management, and overall operational continuity.
Organizations utilizing this platform should immediately implement mitigation strategies including network segmentation to isolate the vulnerable system, implementing additional authentication layers, and monitoring for suspicious access patterns. The vulnerability aligns with CWE-284 which addresses improper access control issues, and maps to ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting. Security teams should conduct immediate vulnerability assessments, review system logs for unauthorized access attempts, and consider implementing web application firewalls to filter malicious requests targeting the affected php file. Additionally, the system should be updated to the latest available version from the vendor, though the disclosure of exploitation methods suggests that immediate defensive measures are required regardless of patch status.