User shaun\BUFF authenticated successfully Impacket v0.9.19-dev - Copyright 2019 SecureAuth Corporation Warning: shell_exec(): Unable to execute 'certutil -urlcache -split -f C:\Users\Public\Documents\nc.exe' in C:\xampp\htdocs\gym\upload\kamehameha.php on line 3īut hosting an SMB share with nc.exe worked if the -smb2support argument is specified. I wasn’t able to get certutil to work: C:\xampp\htdocs\gym\upload> certutil -urlcache -split -f C:\Users\Public\Documents\nc.exe I tried a few ways to do this, but just one worked. You can’t cd to another directory for example. : fe80::250:56ff:feb9:75a0%10īeware though this isn’t a remote shell but rather a Web shell which prints the output of commands entered. The exploit is easy to use and works like magic./48506.py The vulnerable php page can be found here and interestingly there’s no HTML content for the page, suggesting that the exploit can’t be pulled off manually with just a Web browser which is why a driver Python program had to be written to do the POST request to upload the webshell. This links to this exploit, which describes the exploit as file upload vulnerability bypassed by double extension and prefixing with magic bytes. Gym Management System 1.0 - Unauthenticated Remote Code Execution | php/webapps/48506.pyĪnd I was actually to find something. What exactly is gym management software? Seems to be a kind of CMS specifically for gym Web pages? I hit up searchsploit searchsploit gym management Clicking around or more specifically going to shows this version number. Web page on TCP 8080Īmap found something unusual, merce but I couldn’t make sense of it. Just one port is open, 8080, which is a good thing since this implies no rabbit holes. Checking if we’re in a High integrity admin shell.How to stabilise BOF msfvenom reverse shell payloads.Some guesswork and trying needed for priv esc.Windows remote port forwarding with plink.exe.Despite this, Buff is the easiest rated active machine at present. This was compounded by the fact that multiple people working on the same vulnerable service could cause it to crash then or hang without terminating. However, escalation is more difficult, not least because I had limited information on what version of the software was actually running. Buff is a Windows box marked as Easy and for the most part, if you find the right exploit gaining access is easy.
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