Executive Summary

CVE-2025-12223 is an unrestricted file upload vulnerability in Bdtask Flight Booking Software up to version 3.1, specifically in the Package Information Module at /b2c/package-information. It allows attackers, including remote unauthenticated ones, to upload files without proper validation of file type or content. This can enable attackers to upload malicious files such as executable scripts or web shells, potentially leading to remote code execution and compromising the system's confidentiality, integrity, and availability. [1, 3]

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Impact Analysis

This vulnerability can have serious impacts including unauthorized remote code execution on the affected server, allowing attackers to take control of the system. It compromises confidentiality, integrity, and availability by enabling attackers to upload malicious files that the system may automatically process. This can lead to data breaches, system downtime, and further exploitation of the network or infrastructure. [1, 3]

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Detection Guidance

This vulnerability can be detected by checking for the presence of unrestricted file upload attempts to the /b2c/package-information endpoint of Bdtask Flight Booking Software. Since the vulnerability allows uploading executable scripts (e.g., PHP web shells), monitoring HTTP requests for file uploads with suspicious extensions or content types is recommended. You can use network monitoring tools or web server logs to identify such uploads. For example, using grep on web server logs to find POST requests to /b2c/package-information: 1) grep 'POST /b2c/package-information' /var/log/apache2/access.log 2) grep -iE '\.(php|phtml|php5|php7|phar)$' /var/www/html/b2c/uploads/* 3) Use tools like curl to test upload functionality: curl -F '[email protected]' http://target/b2c/package-information 4) Use intrusion detection systems (IDS) with rules to detect file upload anomalies. Note that no official detection commands are provided, so these are general suggestions based on the vulnerability nature. [1, 3]

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Mitigation Strategies

Immediate mitigation steps include disabling or restricting the file upload functionality in the /b2c/package-information module if possible. Since no official patches or vendor fixes exist, consider implementing strict validation on file uploads (e.g., restrict allowed file types and scan uploaded files for malicious content). Additionally, restrict access to the affected module to trusted users only, and monitor for suspicious activity. If feasible, replace the affected software with an alternative product that does not have this vulnerability. Applying web application firewalls (WAF) rules to block malicious upload attempts can also help mitigate risk. [1]

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