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Bug#234535: xserver dies if I start gimp with LANG=no_NO.UTF-8



On Thu, Apr 22, 2004 at 02:19:01PM +0200, Michel Dänzer wrote:
> On Thu, 2004-04-22 at 11:27, Helge Hafting wrote:
> > Branden Robinson wrote:
> > > On Wed, Apr 21, 2004 at 01:28:00PM +0200, Helge Hafting wrote:
> > > 
> > >>Branden Robinson wrote:
> > 
> > Core was generated by `/usr/bin/X11/X -dpi 100 -nolisten tcp'.
> > Program terminated with signal 6, Aborted.
> 
> [...]
> 
> > Previous frame inner to this frame (corrupt stack?)
>                                       ^^^^^^^^^^^^^^
> Indeed, the backtrace looks rather bogus to me.

Yeah, looks like a smashed stack.

Since the X server runs setuid root, does this mean we've just found a
security vulnerability?

-- 
G. Branden Robinson                |     You could wire up a dead rat to a
Debian GNU/Linux                   |     DIMM socket and the PC BIOS memory
branden@debian.org                 |     test would pass it just fine.
http://people.debian.org/~branden/ |     -- Ethan Benson

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