CVE-2023-51411 in Frontend Admin Plugin
Summary
by MITRE • 12/29/2023
Unrestricted Upload of File with Dangerous Type vulnerability in Shabti Kaplan Frontend Admin by DynamiApps.This issue affects Frontend Admin by DynamiApps: from n/a through 3.18.3.
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Analysis
by VulDB Data Team • 01/21/2024
The vulnerability CVE-2023-51411 represents a critical unrestricted file upload flaw in the Frontend Admin component of DynamiApps products, specifically impacting versions up to and including 3.18.3. This type of vulnerability falls under the CWE-434 category, which addresses the unrestricted upload of files with dangerous types, commonly known as file upload vulnerabilities. The flaw enables attackers to bypass security controls and upload malicious files to the target system, potentially leading to remote code execution or other severe consequences. The vulnerability exists within the administrative frontend interface, making it particularly dangerous as it provides direct access to system resources through the privileged administrative account.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of file upload inputs within the application's administrative interface. Attackers can exploit this weakness by uploading files with extensions that are not properly filtered, allowing them to bypass security checks that should prevent the upload of executable or dangerous file types. The vulnerability is particularly concerning because it affects the frontend admin component, which typically has elevated privileges and access to sensitive system functions. The lack of proper file type validation combined with inadequate content inspection mechanisms creates an exploitable path for malicious file uploads.
The operational impact of CVE-2023-51411 extends beyond simple data compromise, as it can lead to complete system takeover when exploited by threat actors. Successful exploitation allows attackers to upload web shells, malicious scripts, or other harmful payloads that can execute arbitrary code on the target server. This vulnerability directly aligns with ATT&CK technique T1190, which covers the exploitation of vulnerable applications through file upload mechanisms. The threat actor can leverage this vulnerability to establish persistent access, escalate privileges, and potentially move laterally within the network. Organizations using affected versions of DynamiApps face significant risk of unauthorized access and data breaches.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation, file type filtering, and content inspection mechanisms. Organizations must ensure that all file uploads undergo strict validation against a whitelist of approved file types and extensions. The implementation of secure file upload practices, including randomizing file names and storing uploads outside the web root, significantly reduces exploitation risk. Additionally, network segmentation and monitoring solutions should be deployed to detect and prevent unauthorized file upload attempts. Regular security updates and patches should be applied immediately upon availability from DynamiApps, as this vulnerability represents a critical security flaw that requires urgent remediation to prevent exploitation by threat actors. The vulnerability also highlights the importance of adhering to secure coding practices and implementing defense-in-depth strategies to prevent similar issues in future software development cycles.