On Mon, Feb 16, 2009 at 09:00:33AM -0500, ArcSighter Elite wrote: > James Matthews wrote: > > I would recommend doing the following things. > > > > 1. Ask on the Ubuntu GCC list what protection is implemented. (Or just look > > at the source) > > 2. Use GCC to see where the execution is being redirected and so you can > > have a better visual of whats going on. > > 3. Are you sure the stack is executable?
_fortify_fail is caused by the light weight buffer overflow checking, enabled by the -D_FORTIFY_SOURCE=2 compile time flag. Ciao, Marcus _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
