mailing list archives
Re: Advisory: sudo 1.8 Format String Vulnerability
From: "Todd C. Miller" <Todd.Miller () courtesan com>
Date: Tue, 31 Jan 2012 11:14:00 -0500
On Mon, 30 Jan 2012 20:38:25 +0100, Agostino Sarubbo wrote:
The first says:
adding -D_FORTIFY_SOURCE=2 to the OSDEFS line in src/Makfile and rebuilding
sudo will prevent the bug from being exploited.
The second says:
he above example shows the result of FORTIFY_SOURCE which makes explotitation
painful but not impossible (see ). Without FORTIFY_SOURCE the exploit is
something should be corrected?
joernchen is correct, it is probably still possible to exploit with
-D_FORTIFY_SOURCE=2, though it is more difficult. On systems with
ASLR and a non-executable stack it should be even harder.
I've updated http://www.sudo.ws/sudo/alerts/sudo_debug.html to
Full-Disclosure - We believe in it.
Hosted and sponsored by Secunia - http://secunia.com/