full-disclosure - Re: Re: Linux kernel source archive vulnerable

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Date: Tue, 12 Sep 2006 14:57:04 -0700
From: "Chris Umphress" <umphress@...il.com>
To: coderpunk <coderpunk@...il.com>
Cc: "Gerald \(Jerry\) Carter" <jerry@...ba.org>,
	full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: Re: Linux kernel source archive vulnerable

On 9/12/06, coderpunk <coderpunk@...il.com> wrote:
> > >> The standard recommendation is to never compile
> > >> the kernel as root.
> > >>
> > > Which obviously doesn't help you when a non-root user edits the
> > > kernel, you compile it as 'jerry' but still have to install it as
> > > 'root'. You're still hosed.
> >
> > Geez, of course not. Unpacking the kernel as non-root honors umask.
> > Problem solved.
> > It would help to 'info tar' before posting...
>
> That assumes a proper umask. The kernel source should not depend on
> the end user's umask being setup properly.

Is it the kernel developers' fault if your umask is extremely lax for
a normal user? If it is lax, security of the kernel source isn't your
only problem.... Security in general is.

-- 
Chris Umphress <http://daga.dyndns.org/>

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