CVE-2024-39739 in Datacap Navigator
Summary
by MITRE • 07/15/2024
IBM Datacap Navigator 9.1.5, 9.1.6, 9.1.7, 9.1.8, and 9.1.9 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-Force ID: 296008.
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Analysis
by VulDB Data Team • 07/16/2024
IBM Datacap Navigator versions 9.1.5 through 9.1.9 contain a critical server-side request forgery vulnerability that poses significant security risks to organizations relying on this document capture and processing platform. This vulnerability falls under CWE-918, which specifically addresses server-side request forgery flaws where applications fail to properly validate and sanitize user-supplied input that is used to construct HTTP requests to external systems. The flaw exists within the application's handling of authenticated user requests that can be manipulated to target internal network resources or external systems without proper authorization.
The technical implementation of this vulnerability allows an authenticated attacker to craft malicious requests that bypass normal access controls and enable the application to make HTTP requests to arbitrary URLs. This occurs when user input is directly incorporated into HTTP request parameters without proper validation or sanitization mechanisms. Attackers can leverage this weakness to enumerate internal network services, access sensitive internal systems, or even facilitate more sophisticated attacks such as credential harvesting or data exfiltration. The vulnerability specifically impacts the application's ability to properly validate and restrict outbound requests, creating a pathway for attackers to exploit the application's trust relationship with internal network resources.
The operational impact of this vulnerability extends beyond simple network enumeration as it creates opportunities for attackers to escalate their privileges and access additional systems within the network perimeter. An attacker with valid credentials can potentially discover internal services that are normally not exposed to external networks, including databases, administrative interfaces, or other critical infrastructure components. This vulnerability aligns with ATT&CK technique T1018, which covers 'Remote System Discovery,' and can also support techniques such as T1083 for directory and file discovery. The potential for lateral movement within the network increases significantly when attackers can use this vulnerability to map internal network topology and identify vulnerable systems.
Organizations should immediately implement mitigations including restricting network access to the Datacap Navigator application, implementing strict outbound request filtering, and ensuring proper input validation controls are in place. The recommended approach involves configuring network firewalls to limit outbound communications from the application server, implementing proxy configurations that validate all external requests, and applying the latest security patches provided by IBM. Additionally, organizations should conduct comprehensive network scanning to identify any unauthorized access that may have occurred and implement monitoring solutions that can detect anomalous outbound requests. The vulnerability demonstrates the critical importance of validating all user-supplied input and implementing proper access controls in web applications, particularly those handling sensitive document processing workflows. Organizations should also consider implementing network segmentation strategies to limit the potential impact of such vulnerabilities and establish incident response procedures specifically designed to address server-side request forgery attacks.