On Fri, Dec 09, 2016 at 11:12:19AM +0100, Pablo Méndez Hernández wrote: > Hi, > > I was going to say, "why don't you try it yourself?", but I thought > I'd give it a try: > > $ ./bypass > Segmentation fault (core dumped) > $ gdb -c bypass.core ./bypass > GNU gdb 6.3 > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-unknown-openbsd6.0"...(no debugging > symbols found) > > Core was generated by `bypass'. > Program terminated with signal 11, Segmentation fault. > (no debugging symbols found) > Loaded symbols for /home/pablomh/misc/bypass > Reading symbols from /usr/lib/libc.so.89.2...done. > Loaded symbols for /usr/lib/libc.so.89.2 > Reading symbols from /usr/libexec/ld.so...done. > Loaded symbols for /usr/libexec/ld.so > #0 0x000006489a70059e in aslr_bypass1 () from /home/pablomh/misc/bypass > (gdb) bt > #0 0x000006489a70059e in aslr_bypass1 () from /home/pablomh/misc/bypass > #1 0x000006489a70067e in main () from /home/pablomh/misc/bypass > (gdb) > > So I don't see any leakage... > > > Regards. > Pablo > > On Thu, Dec 8, 2016 at 9:43 PM, minek van <[email protected]> wrote: > > any news? > > > >> Sent: Wednesday, November 30, 2016 at 7:48 PM > >> From: "minek van" <[email protected]> > >> To: [email protected] > >> Subject: ASLR bypass on OpenBSD > >> > >> Hello, > >> > >> older story: > >> > >> https://marc.info/?t=142124717700006&r=1&w=1 > >> > >> what happened since than? > >> > >> Was the randomization increased? > >> > >> Thank you OpenBSD! > > > > > > -- > > Pablo Méndez Hernández
Also, the end of the thread contains: https://marc.info/?l=openbsd-tech&m=142249777526072&w=1 -Otto
