kedaegan.github.io

Cap

Enumeration

Ports and Services

Software Installed:

Nmap Scan Results:

# Nmap 7.91 scan initiated Wed Jun  9 08:20:37 2021 as: nmap -sC -sV -oA nmap/allTCP -vv -p- 10.129.124.48
Nmap scan report for 10.129.124.48
Host is up, received echo-reply ttl 63 (0.055s latency).
Scanned at 2021-06-09 08:20:37 MDT for 158s
Not shown: 65532 closed ports
Reason: 65532 resets
PORT   STATE SERVICE REASON         VERSION
21/tcp open  ftp     syn-ack ttl 63 vsftpd 3.0.3
22/tcp open  ssh     syn-ack ttl 63 OpenSSH 8.2p1 Ubuntu 4ubuntu0.2 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 fa:80:a9:b2:ca:3b:88:69:a4:28:9e:39:0d:27:d5:75 (RSA)
| ssh-rsa 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
|   256 96:d8:f8:e3:e8:f7:71:36:c5:49:d5:9d:b6:a4:c9:0c (ECDSA)
| ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBDqG/RCH23t5Pr9sw6dCqvySMHEjxwCfMzBDypoNIMIa8iKYAe84s/X7vDbA9T/vtGDYzS+fw8I5MAGpX8deeKI=
|   256 3f:d0:ff:91:eb:3b:f6:e1:9f:2e:8d:de:b3:de:b2:18 (ED25519)
|_ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPbLTiQl+6W0EOi8vS+sByUiZdBsuz0v/7zITtSuaTFH
80/tcp open  http    syn-ack ttl 63 gunicorn
| fingerprint-strings: 
|   FourOhFourRequest: 
|     HTTP/1.0 404 NOT FOUND
|     Server: gunicorn
|     Date: Wed, 09 Jun 2021 14:21:13 GMT
|     Connection: close
|     Content-Type: text/html; charset=utf-8
|     Content-Length: 232
|     <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
|     <title>404 Not Found</title>
|     <h1>Not Found</h1>
|     <p>The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.</p>
|   GetRequest: 
|     HTTP/1.0 200 OK
|     Server: gunicorn
|     Date: Wed, 09 Jun 2021 14:21:07 GMT
|     Connection: close
|     Content-Type: text/html; charset=utf-8
|     Content-Length: 19386
|     <!DOCTYPE html>
|     <html class="no-js" lang="en">
|     <head>
|     <meta charset="utf-8">
|     <meta http-equiv="x-ua-compatible" content="ie=edge">
|     <title>Security Dashboard</title>
|     <meta name="viewport" content="width=device-width, initial-scale=1">
|     <link rel="shortcut icon" type="image/png" href="/static/images/icon/favicon.ico">
|     <link rel="stylesheet" href="/static/css/bootstrap.min.css">
|     <link rel="stylesheet" href="/static/css/font-awesome.min.css">
|     <link rel="stylesheet" href="/static/css/themify-icons.css">
|     <link rel="stylesheet" href="/static/css/metisMenu.css">
|     <link rel="stylesheet" href="/static/css/owl.carousel.min.css">
|     <link rel="stylesheet" href="/static/css/slicknav.min.css">
|     <!-- amchar
|   HTTPOptions: 
|     HTTP/1.0 200 OK
|     Server: gunicorn
|     Date: Wed, 09 Jun 2021 14:21:08 GMT
|     Connection: close
|     Content-Type: text/html; charset=utf-8
|     Allow: HEAD, OPTIONS, GET
|     Content-Length: 0
|   RTSPRequest: 
|     HTTP/1.1 400 Bad Request
|     Connection: close
|     Content-Type: text/html
|     Content-Length: 196
|     <html>
|     <head>
|     <title>Bad Request</title>
|     </head>
|     <body>
|     <h1><p>Bad Request</p></h1>
|     Invalid HTTP Version &#x27;Invalid HTTP Version: &#x27;RTSP/1.0&#x27;&#x27;
|     </body>
|_    </html>
| http-methods: 
|_  Supported Methods: HEAD OPTIONS GET
|_http-server-header: gunicorn
|_http-title: Security Dashboard
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port80-TCP:V=7.91%I=7%D=6/9%Time=60C0CE56%P=x86_64-pc-linux-gnu%r(GetRe
SF:quest,2FE5,"HTTP/1\.0\x20200\x20OK\r\nServer:\x20gunicorn\r\nDate:\x20W
SF:ed,\x2009\x20Jun\x202021\x2014:21:07\x20GMT\r\nConnection:\x20close\r\n
SF:Content-Type:\x20text/html;\x20charset=utf-8\r\nContent-Length:\x201938
SF:6\r\n\r\n<!DOCTYPE\x20html>\n<html\x20class=\"no-js\"\x20lang=\"en\">\n
SF:\n<head>\n\x20\x20\x20\x20<meta\x20charset=\"utf-8\">\n\x20\x20\x20\x20
SF:<meta\x20http-equiv=\"x-ua-compatible\"\x20content=\"ie=edge\">\n\x20\x
SF:20\x20\x20<title>Security\x20Dashboard</title>\n\x20\x20\x20\x20<meta\x
SF:20name=\"viewport\"\x20content=\"width=device-width,\x20initial-scale=1
SF:\">\n\x20\x20\x20\x20<link\x20rel=\"shortcut\x20icon\"\x20type=\"image/
SF:png\"\x20href=\"/static/images/icon/favicon\.ico\">\n\x20\x20\x20\x20<l
SF:ink\x20rel=\"stylesheet\"\x20href=\"/static/css/bootstrap\.min\.css\">\
SF:n\x20\x20\x20\x20<link\x20rel=\"stylesheet\"\x20href=\"/static/css/font
SF:-awesome\.min\.css\">\n\x20\x20\x20\x20<link\x20rel=\"stylesheet\"\x20h
SF:ref=\"/static/css/themify-icons\.css\">\n\x20\x20\x20\x20<link\x20rel=\
SF:"stylesheet\"\x20href=\"/static/css/metisMenu\.css\">\n\x20\x20\x20\x20
SF:<link\x20rel=\"stylesheet\"\x20href=\"/static/css/owl\.carousel\.min\.c
SF:ss\">\n\x20\x20\x20\x20<link\x20rel=\"stylesheet\"\x20href=\"/static/cs
SF:s/slicknav\.min\.css\">\n\x20\x20\x20\x20<!--\x20amchar")%r(HTTPOptions
SF:,B3,"HTTP/1\.0\x20200\x20OK\r\nServer:\x20gunicorn\r\nDate:\x20Wed,\x20
SF:09\x20Jun\x202021\x2014:21:08\x20GMT\r\nConnection:\x20close\r\nContent
SF:-Type:\x20text/html;\x20charset=utf-8\r\nAllow:\x20HEAD,\x20OPTIONS,\x2
SF:0GET\r\nContent-Length:\x200\r\n\r\n")%r(RTSPRequest,121,"HTTP/1\.1\x20
SF:400\x20Bad\x20Request\r\nConnection:\x20close\r\nContent-Type:\x20text/
SF:html\r\nContent-Length:\x20196\r\n\r\n<html>\n\x20\x20<head>\n\x20\x20\
SF:x20\x20<title>Bad\x20Request</title>\n\x20\x20</head>\n\x20\x20<body>\n
SF:\x20\x20\x20\x20<h1><p>Bad\x20Request</p></h1>\n\x20\x20\x20\x20Invalid
SF:\x20HTTP\x20Version\x20&#x27;Invalid\x20HTTP\x20Version:\x20&#x27;RTSP/
SF:1\.0&#x27;&#x27;\n\x20\x20</body>\n</html>\n")%r(FourOhFourRequest,189,
SF:"HTTP/1\.0\x20404\x20NOT\x20FOUND\r\nServer:\x20gunicorn\r\nDate:\x20We
SF:d,\x2009\x20Jun\x202021\x2014:21:13\x20GMT\r\nConnection:\x20close\r\nC
SF:ontent-Type:\x20text/html;\x20charset=utf-8\r\nContent-Length:\x20232\r
SF:\n\r\n<!DOCTYPE\x20HTML\x20PUBLIC\x20\"-//W3C//DTD\x20HTML\x203\.2\x20F
SF:inal//EN\">\n<title>404\x20Not\x20Found</title>\n<h1>Not\x20Found</h1>\
SF:n<p>The\x20requested\x20URL\x20was\x20not\x20found\x20on\x20the\x20serv
SF:er\.\x20If\x20you\x20entered\x20the\x20URL\x20manually\x20please\x20che
SF:ck\x20your\x20spelling\x20and\x20try\x20again\.</p>\n");
Service Info: OSs: Unix, Linux; CPE: cpe:/o:linux:linux_kernel

Read data files from: /usr/bin/../share/nmap
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
# Nmap done at Wed Jun  9 08:23:15 2021 -- 1 IP address (1 host up) scanned in 157.64 seconds

Gobuster Scan


Port 80

The page has a links.

Initial Foothold

The Security Snapshot looks interesting as it goes to /data/1
Replaced the 1 with a 0:

Looks like a pcap file is available with some data in it.

Downloading and opening in wireshark

Looks like ftp creds
User nathan
Password: Buck3tH4TF0RM3!

Tried creds in ssh and logged in as nathan

User.txt Proof Screenshot

###

Privilege Escalation

The page was running tcpdump which requires root privs. Nathan does not have sudo however python3 is setup to allow setuid

Looked at the web code and here is the tcpdump part:

Set UID and execute bash:

RootScreenshot Here: