CVE-2024-29319 in Personal Management System
Summary
by MITRE • 07/05/2024
Volmarg Personal Management System 1.4.64 is vulnerable to SSRF (Server Side Request Forgery) via uploading a SVG file. The server can make unintended HTTP and DNS requests to a server that the attacker controls.
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Analysis
by VulDB Data Team • 07/10/2024
The Volmarg Personal Management System version 1.4.64 presents a critical server side request forgery vulnerability that stems from improper validation of SVG file uploads. This flaw allows attackers to manipulate the system's behavior by crafting malicious SVG content that triggers unintended network requests. The vulnerability specifically manifests when the application processes uploaded SVG files without adequate sanitization or restriction of external resource references. The SSRF attack vector enables adversaries to force the vulnerable system to initiate HTTP and DNS requests to arbitrary destinations controlled by the attacker, effectively creating a tunnel through which malicious traffic can be routed.
The technical exploitation of this vulnerability occurs through the manipulation of SVG file content, which the application accepts during the upload process. SVG files are inherently rich in features including embedded external resources, scripts, and network references that can be leveraged to bypass security controls. When the system processes these files without proper validation, it fails to restrict the origins of referenced resources, allowing attackers to specify malicious endpoints. This vulnerability falls under the CWE-918 category of Server-Side Request Forgery, which specifically addresses the issue of applications making unauthorized requests on behalf of users. The attack pattern aligns with the ATT&CK technique T1071.004 for Application Layer Protocol: DNS, as the vulnerability enables DNS resolution requests to attacker-controlled servers.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable more sophisticated attacks including internal network reconnaissance, credential theft, and lateral movement within the target environment. An attacker who successfully exploits this vulnerability can potentially map internal network topology, identify additional vulnerable systems, and gain access to internal services that would otherwise be protected by network segmentation. The system's inability to properly validate SVG file content creates a persistent threat vector that can be exploited repeatedly, making it particularly dangerous for environments where the application processes untrusted user uploads. The vulnerability's severity is compounded by the fact that SVG files are commonly used for web graphics and are often accepted without strict security controls, making this a prevalent attack surface.
Mitigation strategies for this vulnerability should focus on implementing strict input validation and content sanitization for all uploaded files, particularly SVG files. The system should employ comprehensive SVG parsing libraries that strip out potentially dangerous elements and attributes, or alternatively reject SVG uploads entirely if they are not essential for the application's functionality. Network-level controls including firewalls and proxy configurations should be implemented to restrict outbound requests from the application server, preventing unauthorized communication with external endpoints. Additionally, the application should implement proper access controls and network segmentation to limit the potential impact of successful exploitation attempts. Regular security testing and vulnerability assessments should be conducted to identify and remediate similar issues in other components of the system architecture. The implementation of web application firewalls and content security policies can provide additional layers of protection against such attacks, while maintaining the application's core functionality.