HTB: Blunder 0xdf hacks stuff

Blunder starts with a blog that I’ll find is hosted on the BludIt CMS. Some version enumeration and looking at releases on GitHub shows that this version is vulnerable to a bypass of the bruteforce protections, as well as an upload and execute filter bypass on the PHP site. I’ll write my own scripts for each of these, and use them to get a shell. From there, I’ll find creds for the next user, where I’ll find the first flag. Now I can also access sudo, where I’ll see I can run sudo to get a bash shell as any non-root user. I’ll exploit CVE-2019-14287 to run that as root, and get a root shell.

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HTB: Blunder 0xdf hacks stuff