CVE-2023-6575 in S210
Summary
by MITRE • 12/07/2023
A vulnerability was found in Beijing Baichuo S210 up to 20231121. It has been classified as critical. This affects an unknown part of the file /Tool/repair.php of the component HTTP POST Request Handler. The manipulation of the argument txt leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-247155. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 04/09/2024
The vulnerability identified as CVE-2023-6575 represents a critical sql injection flaw within the Beijing Baichuo S210 device firmware version 20231121 and earlier. This weakness resides in the HTTP POST Request Handler component, specifically within the /Tool/repair.php file where the txt parameter is processed without adequate input validation or sanitization. The vulnerability's classification as critical stems from its remote exploitability and the potential for unauthorized database access, which could enable attackers to extract, modify, or delete sensitive information stored within the device's backend systems. The flaw demonstrates a fundamental failure in input handling that directly violates secure coding practices and industry security standards.
The technical exploitation of this vulnerability occurs through manipulation of the txt argument in the HTTP POST request to the repair.php endpoint. When an attacker submits malicious input through this parameter, the application fails to properly sanitize or escape the data before incorporating it into sql queries. This allows for sql injection attacks that can bypass authentication mechanisms, retrieve confidential data, or even execute arbitrary commands on the underlying database system. The vulnerability's remote exploitability means that attackers do not require physical access to the device, making it particularly dangerous for network-connected industrial control systems or network infrastructure devices that may be deployed in sensitive environments.
The operational impact of this vulnerability extends beyond simple data compromise, as it represents a significant threat to the integrity and availability of the affected system. In the context of industrial control systems or network infrastructure devices, successful exploitation could lead to service disruption, unauthorized access to operational data, or even compromise of the broader network infrastructure. The fact that the exploit has been publicly disclosed and is actively being used increases the risk profile significantly, as it removes the element of surprise that typically protects systems from initial compromise attempts. This vulnerability directly maps to CWE-89 sql injection and aligns with ATT&CK techniques related to credential access and privilege escalation through database exploitation.
Mitigation strategies for this vulnerability should include immediate firmware updates from the vendor, if available, or implementation of network-level protections such as web application firewalls and input validation rules that can block malicious payloads targeting the specific endpoint. Organizations should also implement network segmentation to limit access to affected systems, conduct thorough vulnerability assessments to identify potentially compromised devices, and monitor network traffic for signs of exploitation attempts. The lack of vendor response to early disclosure attempts underscores the importance of proactive security measures and the need for organizations to maintain independent security monitoring capabilities. Additionally, implementing proper input validation and parameterized queries in the application code would prevent this class of vulnerability from occurring in the first place, aligning with both CWE recommendations and ATT&CK mitigation strategies for preventing sql injection attacks.