CVE-2024-30248 in piccolo-admin
Summary
by MITRE • 04/02/2024
Piccolo Admin is an admin interface/content management system for Python, built on top of Piccolo. Piccolo's admin panel allows media files to be uploaded. As a default, SVG is an allowed file type for upload. An attacker can upload an SVG which when loaded can allow arbitrary access to the admin page. This vulnerability was patched in version 1.3.2.
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Analysis
by VulDB Data Team • 04/09/2025
The CVE-2024-30248 vulnerability affects Piccolo Admin, a Python-based administration interface and content management system that operates on the Piccolo framework. This particular security flaw resides within the media file upload functionality of the admin panel, specifically concerning the handling of Scalable Vector Graphics file types. The vulnerability represents a critical concern for organizations relying on this admin interface for content management and system administration tasks. The default configuration of the system permits SVG file uploads without adequate validation or sanitization measures, creating an exploitable condition that could lead to unauthorized access to administrative functions.
The technical flaw stems from insufficient input validation and sanitization of uploaded SVG files within the Piccolo Admin system. When an attacker uploads a maliciously crafted SVG file, the system processes this file without proper security checks that would normally prevent execution of embedded scripts or malicious code. This vulnerability essentially allows for a server-side code execution scenario where the SVG file can contain embedded malicious JavaScript or other payload elements that execute when the file is rendered or accessed through the admin interface. The flaw operates under the principle of insecure file upload handling, which is classified under CWE-434 as "Unrestricted Upload of File with Dangerous Type." The vulnerability creates a path for privilege escalation and potential full system compromise when an attacker can leverage this upload functionality to gain administrative access.
The operational impact of this vulnerability extends beyond simple file upload concerns, as it directly compromises the integrity and confidentiality of the administrative interface. An attacker who successfully exploits this vulnerability can gain unauthorized access to the admin panel, potentially leading to complete system compromise, data exfiltration, or modification of content management systems. The attack vector is particularly concerning because SVG files are commonly used for legitimate purposes and are often considered safe for upload, making this vulnerability more difficult to detect and prevent. This weakness can be exploited through various attack techniques including cross-site scripting attacks, server-side request forgery, or direct code execution within the application context, aligning with multiple ATT&CK tactics including initial access and privilege escalation. Organizations using Piccolo Admin without the patch are at risk of unauthorized administrative access and potential data breaches.
The remediation for this vulnerability requires immediate application of the patch released in version 1.3.2 of Piccolo Admin, which addresses the insecure file upload handling by implementing proper validation and sanitization of SVG file uploads. Organizations should also implement additional security measures including file type validation, content inspection of uploaded files, and restriction of file upload capabilities to only necessary file types. The mitigation strategy should incorporate principle of least privilege for file upload operations and regular security auditing of file handling components. System administrators should also consider implementing web application firewalls, content security policies, and monitoring mechanisms to detect and prevent unauthorized file upload attempts. This vulnerability highlights the importance of proper input validation and the need for comprehensive security testing of file handling components within web applications, particularly those with administrative access capabilities.