pfSense - Arbitrary File Write

漏洞描述

diag_routes.php in pfSense 2.5.2 allows sed data injection. Authenticated users are intended to be able to view data about the routes set in the firewall. The data is retrieved by executing the netstat utility, and then its output is parsed via the sed utility. Although the common protection mechanisms against command injection (e.g., the usage of the escapeshellarg function for the arguments) are used, it is still possible to inject sed-specific code and write an arbitrary file in an arbitrary location.

影响产品

修复建议

建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。

参考链接