Re: Fwd: VSFTPD Remote Heap Overrun (low severity)

[Daniel J Walsh <dwalsh () redhat com>]

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On 12/12/2011 07:37 PM, Ramon de C Valle wrote:
> > > But how can I state that ftp has access to the users homedir
> > > and not allow access to user_home_t?
> > This is a good question. Actually, we shouldn't allow ftpd_t read
> > the locale files from within user_home_t directories. But now I'm
> > not sure if this will be possible.
> A different file context for /home/(.*)/usr/share/zoneinfo(/.*) in
> vsftpd policy module would be a feasible solution? Will ftpd_t
> honour this when creating new files?
If you want to prevent apps from reading zoneinfo files that a user
can write and read files a user can write, you will loose.

Why are you setting up the chroot with content a user can write too?
If you simply prevent him from writing to /usr/share, won't that solve
the problem?
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