CVE-2022-0263 in Pimcore
Summary
by MITRE • 01/18/2022
Unrestricted Upload of File with Dangerous Type in Packagist pimcore/pimcore prior to 10.2.7.
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Analysis
by VulDB Data Team • 01/20/2022
The vulnerability identified as CVE-2022-0263 represents a critical security flaw in the Packagist pimcore/pimcore software package affecting versions prior to 10.2.7. This issue manifests as an unrestricted file upload vulnerability that permits attackers to upload files with potentially dangerous content types, creating significant risks for affected systems. The vulnerability stems from insufficient validation mechanisms within the file upload functionality, allowing malicious actors to bypass security controls and potentially execute arbitrary code on the target system. The flaw specifically impacts the package management system where users can upload various file types without proper sanitization or content verification processes.
The technical nature of this vulnerability aligns with CWE-434, which describes unrestricted upload of file with dangerous type, a well-documented weakness in software applications that handle file uploads. This classification indicates that the system lacks proper restrictions on file types that can be uploaded, particularly those that could be executed or interpreted by the web server. The vulnerability operates at the application level where the software fails to implement adequate input validation, type checking, or content analysis before accepting uploaded files. Attackers can exploit this by uploading malicious files such as php scripts, html files containing malicious javascript, or other executable content that could be processed by the web server and potentially lead to remote code execution or server compromise.
The operational impact of CVE-2022-0263 extends beyond simple data exposure, potentially enabling full system compromise through remote code execution capabilities. When attackers successfully upload malicious files, they can leverage the web server's processing capabilities to execute arbitrary commands, gain persistent access, or establish backdoors within the affected infrastructure. The vulnerability affects organizations using pimcore/pimcore versions below 10.2.7, potentially exposing their content management systems to unauthorized access. This risk is particularly concerning in enterprise environments where pimcore is used for managing critical digital assets, customer data, or business-critical content management operations. The vulnerability also creates opportunities for attackers to perform lateral movement within networks, escalate privileges, or conduct further reconnaissance activities once initial access is achieved.
Mitigation strategies for this vulnerability primarily focus on immediate version upgrades to 10.2.7 or later, which includes patches addressing the unrestricted file upload issue. Organizations should implement additional protective measures such as restricting file upload capabilities to specific, safe file types only, implementing robust file content validation, and deploying web application firewalls to monitor and filter suspicious upload attempts. Security configurations should enforce strict file type restrictions, implement proper file name sanitization, and establish content analysis mechanisms to detect potentially malicious uploads. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, highlighting the need for comprehensive network security controls including network segmentation, access controls, and continuous monitoring of file upload activities. Organizations should also implement automated scanning tools to detect unauthorized file uploads and establish incident response procedures specifically addressing file upload vulnerabilities. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in other applications and systems within the organization's attack surface.