CVE-2022-46610 in 72crm
Summary
by MITRE • 01/10/2023
72crm v9 was discovered to contain an arbitrary file upload vulnerability via the avatar upload function. This vulnerability allows attackers to execute arbitrary code via a crafted PHP file.
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Analysis
by VulDB Data Team • 04/09/2025
The vulnerability identified as CVE-2022-46610 affects 72crm version 9 and represents a critical arbitrary file upload flaw within the application's avatar upload functionality. This vulnerability stems from insufficient input validation and file type verification mechanisms that fail to properly sanitize user-supplied data during the file upload process. The flaw allows malicious actors to bypass security controls and upload malicious files directly to the server, potentially leading to complete system compromise.
The technical implementation of this vulnerability resides in the application's file handling logic where the avatar upload feature does not adequately validate file extensions, content types, or file signatures before processing uploads. Attackers can exploit this weakness by crafting a malicious PHP file with a disguised extension or by leveraging the application's inability to properly identify file types, ultimately enabling the execution of arbitrary code on the target server. This type of vulnerability is classified under CWE-434, which specifically addresses insecure file upload mechanisms that allow attackers to upload and execute malicious files.
The operational impact of CVE-2022-46610 is severe and potentially devastating for affected organizations. Successful exploitation can lead to full system compromise, allowing attackers to execute commands remotely, access sensitive data, establish persistent backdoors, and potentially use the compromised server as a launching point for further attacks within the network. The vulnerability creates an attack surface that aligns with ATT&CK technique T1190, which covers exploitation of remote services, and T1059, which involves execution through command and scripting interpreters. Organizations running vulnerable versions of 72crm face significant risks including data breaches, service disruption, and potential regulatory compliance violations.
Mitigation strategies for this vulnerability should include immediate patching of the application to the latest secure version that addresses the file upload validation flaws. Additionally, implementing strict file type validation, restricting file upload permissions, and deploying web application firewalls can significantly reduce the risk of exploitation. Organizations should also consider implementing network segmentation, monitoring upload activities, and conducting regular security assessments to identify similar vulnerabilities in other applications. The remediation process should align with industry best practices outlined in NIST SP 800-53 and OWASP Top 10 security guidelines for preventing file upload vulnerabilities and maintaining secure application development practices.