From: Efraim Yawitz (fyawitz_at_nonexisting.hamakor.org.il)
Date: Thu 19 Jan 2006 - 21:08:04 IST
On Thu, 19 Jan 2006, Gilboa Davara wrote:
>
> Umm.... mounting loop device is limited to root for a good reason.
> Once a user had loop mount capability, it's much easier for him to mount
> a modified FS where all the sbin utilities are suided...
>
> A secure system gives users *very* limited mount capabilities.
>
The idea was to loop-mount a fs on my own computer as root, modify it there and then burn it onto a CD which could be mounted on another machine. The other posters pointed out that this is theoretically possible, but the safeguard of allowing mounting only with -nodev by users prevents the problem.
Ephraim
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