Gentoo Archives: gentoo-hardened

From: Wirt Wolff <zug6illa@×××××.com>
To: "Tóth Attila" <atoth@××××××××××.hu>
Cc: gentoo-hardened <gentoo-hardened@l.g.o>
Subject: Re: [gentoo-hardened] Re: hardened-sources & tp_smapi, firefox-9.0 install stucks
Date: Sun, 01 Jan 2012 05:13:04
Message-Id: 1325393715-sup-7072@chigamba
In Reply to: Re: [gentoo-hardened] Re: hardened-sources & tp_smapi, firefox-9.0 install stucks by "Tóth Attila"
1 Excerpts from Tóth Attila's message of Sat Dec 31 19:22:11 -0700 2011:
2 >
3 > Handling the firefox situation at the ebuild level is pretty simple, since
4 > we have pax-marking available now for use. The real solution would be to
5 > teach upstream about security and proper memory handling. As it was
6 > mentioned by paxteam and others as well. Like it is not just erroneous
7 > from the security point of view, but the whole concept of fixed address
8 > mmap is not correct.
9
10 The bug [1] referenced earlier contains a patch which allows again the
11 use of RANDMMAP (paxctl -R) with FF9. (At least it works for me and the
12 for the filer of the bug.) As mentioned earlier, this is a better
13 solution than pax-mark r.
14
15 Many thanks to zakalwe and pageexec for making this patch available so
16 quickly.
17
18 (I'm getting a very full /etc/portage/patches lately. Only this one is
19 related to hardened; the others are instead for silly things that
20 probably shouldn't be installed anyway.) At least this "wake up call"
21 had me test out some alternate browsers.
22
23 [1] https://bugs.gentoo.org/show_bug.cgi?id=396275
24
25 --
26 Regards,
27
28 wmw