CVE-2023-1634 in OTCMS
Summary
by MITRE • 03/25/2023
A vulnerability was found in OTCMS 6.72. It has been classified as critical. Affected is the function UseCurl of the file /admin/info_deal.php of the component URL Parameter Handler. The manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224016.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 04/15/2023
The vulnerability identified as CVE-2023-1634 represents a critical server-side request forgery flaw within OTCMS version 6.72 that specifically impacts the URL parameter handler functionality. This vulnerability exists within the administrative interface component located at /admin/info_deal.php and is classified as a severe security weakness that can be exploited remotely. The flaw stems from the improper handling of URL parameters within the UseCurl function, which allows attackers to manipulate the application's behavior and potentially redirect requests to arbitrary destinations. The vulnerability's classification as critical indicates the potential for significant impact including unauthorized access, data exfiltration, and system compromise. The disclosure of exploit details in public repositories such as VDB-224016 further amplifies the threat level as malicious actors can readily implement attacks against vulnerable systems. This type of vulnerability directly violates security principles by allowing unauthorized entities to manipulate application logic and potentially gain access to internal systems or sensitive data.
The technical implementation of this vulnerability demonstrates a classic server-side request forgery pattern where the application's UseCurl function fails to properly validate or sanitize user-supplied URL parameters. When an attacker provides malicious input through URL parameters, the function processes these inputs without adequate security controls, enabling the application to make unintended requests to external or internal systems. The vulnerability operates at the application layer and leverages the curl library functionality to execute remote requests, making it particularly dangerous as it can potentially bypass network security controls and access internal resources that would normally be protected. This flaw can be exploited through various attack vectors including direct URL manipulation, parameter injection, or through web application firewalls that may not properly detect such requests. The vulnerability's location within the administrative interface component increases the potential impact significantly since successful exploitation could provide attackers with elevated privileges and access to sensitive administrative functions.
The operational impact of CVE-2023-1634 extends beyond simple data theft or unauthorized access to encompass potential system compromise and broader network infiltration capabilities. Attackers can leverage this vulnerability to perform reconnaissance activities against internal systems, potentially accessing databases, other web applications, or network services that are not directly exposed to the internet. The remote exploitation capability means that attackers do not require physical access to the network or system to carry out attacks, making this vulnerability particularly dangerous for organizations with remote access requirements. The vulnerability can also be used to establish persistent access points or to conduct more sophisticated attacks such as command execution, privilege escalation, or data exfiltration. Organizations utilizing OTCMS 6.72 should consider this vulnerability as a high-priority threat that could enable attackers to gain unauthorized access to critical systems and data, potentially leading to significant financial and operational losses.
Security mitigations for CVE-2023-1634 should focus on immediate remediation through official vendor patches and updates while implementing additional protective measures. Organizations must prioritize updating their OTCMS installations to versions that address this vulnerability, as the vendor has likely released security patches to resolve the server-side request forgery issue. Network segmentation and firewall rules should be implemented to restrict access to administrative interfaces and limit the potential impact of successful exploitation attempts. Input validation and sanitization controls must be strengthened within the application to prevent malicious URL parameters from being processed by the curl functionality. The implementation of web application firewalls and intrusion detection systems can help monitor and block suspicious requests that attempt to exploit this vulnerability. Additionally, organizations should conduct thorough security assessments to identify any potential exploitation attempts and implement proper logging and monitoring to detect unauthorized access attempts. This vulnerability aligns with CWE-918, which specifically addresses server-side request forgery, and corresponds to attack techniques in the ATT&CK framework under T1071.004 for application layer protocol and T1566 for phishing, as attackers may use this vulnerability to establish initial access points for broader attacks against the organization's infrastructure.