oss-sec mailing list archives

Re: Offset2lib: bypassing full ASLR on 64bit Linux


From: Florent Daigniere <florent.daigniere () trustmatta com>
Date: Sat, 06 Dec 2014 11:43:22 +0100

On Fri, 2014-12-05 at 14:15 -0800, Reed Loden wrote:
On Fri, Dec 5, 2014 at 7:09 AM, Daniel Micay <danielmicay () gmail com> wrote:


Mozilla has no excuse for not enabling PIE for Firefox, because 99% of
the code is in dynamic libraries already. It has no performance impact.


For the record, Mozilla tried it several months ago and had to back it out.

"Nautilus (the file manager) can't open PIE executables, which makes
distributing PIE executable essentially impossible."

https://bugzilla.mozilla.org/show_bug.cgi?id=857628#c6 (which caused
https://bugzilla.mozilla.org/show_bug.cgi?id=1076892)

~reed


Here's one of the tickets where the information about compiler hardening
flags is centralized... They have an endless supply of excuses not to
enable any (not even -D_FORTIFY_SOURCE=2 or -Wformat-security)!

https://bugzilla.mozilla.org/show_bug.cgi?id=620058

Florent

Attachment: signature.asc
Description: This is a digitally signed message part


Current thread: