Created attachment 679958 [details]
ettercap crashed and with maks of the descripted bug

Description of problem:

When ettercap is opened with ettercap -C, select sniff, unified sniffing, and press ctrl+s (scan hosts) 3 times, the ncurses interface show like the screenshot attached (crashed).

Version-Release number of selected component (if applicable):
Fedora 17 KDE
ettercap-0.7.5-2.fc17.1.20120906gitc796e5.x86_64
ncurses-5.9-4.20120204.fc17.x86_64
qt-4.8.4-6.fc17.x86_64                                                          
qt-4.8.4-6.fc17.i686
kdelibs-4.9.5-2.fc17.x86_64
3.6.11-1.fc17.x86_64

How reproducible:
Always

Steps to Reproduce:
1.ettercap -C
2.sniff->Unified Sniffing->select the iface (eth0 in my case)->intro
3.press ctrl+s (scan for hosts) 3 times, the ncurses interface crash
  
Actual results:


Expected results:


Additional info:

On Fedora 18 KDE final release, the bug is not present, no bug on ncurses or crashes, so, maybe some piece of the enviroment for ettercap (ncurses, Qt, KDE, etc) are involved, i don't know.