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To: gentoo-hardened@g.o
From: pageexec@...
Subject: Re: Interesting: CVE-2012-0056
Date: Tue, 24 Jan 2012 09:26:47 +0200
On 24 Jan 2012 at 2:35, Francesco R.(vivo) wrote:

> BTW this in "vanilla" gentoo does not work because of the permission of the su 
> file:
> ls -l /usr/bin/su
> -rws--x--x 1 root root 36776 18 gen 21.31 /usr/bin/su
> 
> readelf cannot read the address, but there can be other ways to access the 
> binary for example for group "disk"

http://seclists.org/fulldisclosure/2012/Jan/396

> hardened gentoo is un-affected as expected (but you already know)

this is not quite true, what could work against grsec is an exploit that
implemented a ret2libc style exploit coupled with bruteforcing (if the
target suid is a PIE). i hope you're all enabling the bruteforce protection
feature in grsec ;).



Replies:
Re: Interesting: CVE-2012-0056
-- Tóth Attila
References:
Interesting: CVE-2012-0056
-- Tóth Attila
Re: Interesting: CVE-2012-0056
-- Francesco R.(vivo)
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Updated Jun 28, 2012

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