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Hack The Box: Sense

Sense -

Target Enumeration:

OS: Linux


User: 8721327cc232073b40d27d9c17e7348b

Root: d08c32a5d4f8c8b10e76eb51a69f1a86

Ports / Services / Software Versions Running

80/tcp  open http     lighttpd 1.4.35

443/tcp open  ssl/http lighttpd 1.4.35

Vulnerability Exploited:

pfSense, a free BSD based open source firewall distribution, version  <= 2.2.6 contains a remote command execution vulnerability post authentication in the _rrd_graph_img.php page. The vulnerability  occurs via the graph GET parameter. A non-administrative authenticated attacker can inject arbitrary operating system commands and execute them as the root user. Verified against 2.2.6,  2.2.5, and 2.1.3.

Exploiting the host:



Website is pfsense

Changelog.txt gives us some information to consider when exploiting

Checking searchsploit gives us the following to consider:

Most do not work authenticated so we need credentials:

Changing our wordlist we discover a new set of credentials:

Default password is pfsense

Load metasploit with and set the following options and execute to get root:

Get root & collect the user flag.