CVE-2024-1027 in Facebook News Feed Like
Summary
by MITRE • 01/30/2024
A vulnerability, which was classified as critical, was found in SourceCodester Facebook News Feed Like 1.0. Affected is an unknown function of the component Post Handler. The manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-252300.
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Analysis
by VulDB Data Team • 02/21/2024
This critical vulnerability in SourceCodester Facebook News Feed Like 1.0 presents a severe unrestricted file upload flaw within the Post Handler component that enables remote code execution. The vulnerability stems from inadequate input validation and sanitization mechanisms in the file upload functionality, allowing attackers to bypass security restrictions and upload malicious files to the target system. The affected component processes user-supplied data without proper authorization checks or file type verification, creating an exploitable pathway for arbitrary file placement on the server. This weakness directly maps to CWE-434, which describes insecure file upload vulnerabilities where applications accept files from untrusted sources without proper validation. The remote attack vector means that threat actors can exploit this vulnerability from external networks without requiring physical access or prior authentication, making it particularly dangerous for web applications exposed to public internet access. Attackers can leverage this vulnerability to upload web shells, malicious scripts, or other harmful payloads that can compromise the entire application server and potentially escalate privileges to gain deeper system access.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads, as it creates persistent backdoor access points that can be used for data exfiltration, system compromise, and lateral movement within network environments. When combined with other attack techniques, this vulnerability aligns with ATT&CK tactics such as T1190 (Exploit Public-Facing Application) and T1059 (Command and Scripting Interpreter) where attackers can execute malicious code through uploaded files. The unrestricted upload capability allows adversaries to bypass traditional security controls that might otherwise prevent malicious file execution, as the uploaded files are processed by the legitimate application infrastructure. This vulnerability represents a significant risk to organizations using this specific software version, as it provides a direct path to system compromise and can be exploited by both automated scanning tools and skilled attackers. The lack of proper file type filtering and content validation creates an environment where attackers can upload various malicious file formats including php, aspx, or other executable scripts that can be triggered through web requests.
Organizations must implement immediate mitigations including input validation, file type restrictions, and proper access controls to address this vulnerability. The recommended approach involves implementing strict file extension validation, using randomized file names, and storing uploaded files outside the web root directory to prevent direct execution. Security measures should include content-type checking, file size limitations, and integration of anti-virus scanning for uploaded files. Additionally, implementing proper authentication and authorization controls within the Post Handler component will prevent unauthorized access to upload functionality. Organizations should also consider network segmentation and monitoring to detect suspicious file upload activities. The vulnerability highlights the importance of following secure coding practices and implementing proper input validation as outlined in OWASP Top 10 and ISO/IEC 27001 security standards. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, as this type of unrestricted file upload flaw is frequently encountered in web applications and represents a common attack surface that requires continuous monitoring and remediation efforts.