From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Devel discussion list <devel@altlinux.ru>
Subject: Re: [devel] Re: Q: hiding security sensitive info
Date: Mon, 15 Dec 2003 16:25:50 +0300
Message-ID: <20031215132550.GA18131@basalt.office.altlinux.org> (raw)
In-Reply-To: <20031213191922.GD1976@sirius.home>
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On Sat, Dec 13, 2003 at 10:19:22PM +0300, Sergey Vlasov wrote:
> On Fri, Dec 05, 2003 at 01:16:20PM +0300, Dmitry V. Levin wrote:
> > On Fri, Dec 05, 2003 at 12:08:56PM +1200, Anton V. Denisov wrote:
> > > On Thu, Dec 04, 2003 at 10:12:48AM +0300, Anton V. Boyarshinov wrote:
> > >
> > > > Даже с разделов, смонтированных noexec запуск программ возможен.
> > > > При помощи /lib/ld-linux.so.2, если не ошибаюсь.
> > >
> > > Это ошибка или особенность? Особенность чего? Что почитать про это?
> >
> > Это не ошибка и не особенность.
> > Это просто одно из свойств, которые надо знать.
>
> Похоже, появился способ с этим бороться - патч к ядру, который
> добавляет в mmap() проверку MNT_NOEXEC при запрошенном PROT_EXEC. Это
> изменение уже вошло в 2.6, и сейчас предлагается вариант для 2.4.
Грамотная идея.
Попробую сделать backport на 2.2.
> Это нам надо?
Конечно.
--
ldv
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next prev parent reply other threads:[~2003-12-15 13:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-04 15:26 [devel] " Anton V. Denisov
2003-12-04 5:54 ` Denis Ovsienko
2003-12-05 0:39 ` Anton V. Denisov
2003-12-04 7:12 ` [devel] " Anton V. Boyarshinov
2003-12-04 10:10 ` Alexey Tourbin
2003-12-05 0:08 ` Anton V. Denisov
2003-12-05 8:36 ` Anton V. Boyarshinov
2003-12-05 10:16 ` Dmitry V. Levin
2003-12-13 19:19 ` Sergey Vlasov
2003-12-14 14:58 ` Anton Farygin
2003-12-15 9:00 ` Michael Shigorin
2003-12-15 9:28 ` Anton Farygin
2003-12-15 10:29 ` Michael Shigorin
2003-12-16 9:54 ` Vadim Gorodisky
2003-12-15 13:25 ` Dmitry V. Levin [this message]
2004-01-03 0:10 ` Dmitry V. Levin
2004-01-03 0:52 ` Anton V. Denisov
2004-01-03 13:18 ` Dmitry V. Levin
2004-02-24 0:13 ` Dmitry V. Levin
2004-02-24 9:27 ` Anton V. Denisov
2004-02-24 10:56 ` Anton V. Denisov
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