CVE-2022-2128 in trudesk
Summary
by MITRE • 06/20/2022
Unrestricted Upload of File with Dangerous Type in GitHub repository polonel/trudesk prior to 1.2.4.
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Analysis
by VulDB Data Team • 06/25/2022
The vulnerability identified as CVE-2022-2128 represents a critical security flaw in the trudesk repository management system developed by polonel. This issue manifests as an unrestricted file upload vulnerability that allows malicious actors to upload files with dangerous types, potentially leading to remote code execution and full system compromise. The vulnerability specifically affects versions prior to 1.2.4, indicating that users operating within the affected range face significant security risks. The flaw stems from insufficient validation mechanisms within the file upload functionality, which fails to properly restrict or sanitize file types submitted by users.
This vulnerability falls under the CWE-434 category, specifically CWE-434: Unrestricted Upload of File with Dangerous Type, which is classified as a critical weakness in software security. The technical implementation flaw occurs when the application does not adequately verify file extensions, MIME types, or file contents before accepting uploads. Attackers can exploit this by uploading malicious files such as web shells, executable binaries, or script files that can be executed within the application's environment. The vulnerability enables attackers to bypass security controls through the file upload mechanism, potentially gaining unauthorized access to the underlying system resources.
The operational impact of CVE-2022-2128 extends beyond simple data theft or service disruption. When exploited successfully, this vulnerability can lead to complete system compromise, allowing attackers to execute arbitrary code, establish persistent backdoors, and potentially escalate privileges within the affected environment. The attack surface is particularly concerning for repository management systems that may host sensitive project data, user credentials, or development artifacts. Organizations using affected versions of trudesk face risks of data breaches, unauthorized access to source code repositories, and potential lateral movement within their network infrastructure. The vulnerability's exploitation can result in significant business disruption and regulatory compliance violations.
Mitigation strategies for this vulnerability require immediate patching of the affected repository to version 1.2.4 or later, which includes proper file type validation and sanitization mechanisms. Organizations should implement comprehensive file upload restrictions that validate both file extensions and content types against whitelisted safe formats. Network segmentation and access controls should be enforced to limit exposure of the vulnerable system. Additionally, implementing web application firewalls and content security policies can provide additional layers of protection. The ATT&CK framework categorizes this vulnerability under T1190: Exploit Public-Facing Application, highlighting the need for proper input validation and secure coding practices. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other applications and ensure ongoing protection against file upload attacks.