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From: demerphq <demerphq@gmail.com>
To: Jeff King <peff@peff.net>
Cc: Richard Weinberger <richard@nod.at>,
	Philip Oakley <philipoakley@iee.org>,
	Junio C Hamano <gitster@pobox.com>,
	Jonathan Nieder <jrnieder@gmail.com>,
	git@vger.kernel.org
Subject: Re: git ate my home directory :-(
Date: Tue, 26 Mar 2013 20:08:39 +0100	[thread overview]
Message-ID: <CANgJU+U-M9zUUzRNJ=r=Utp7BMhGO37wDQAx8et0W23P3CTegA@mail.gmail.com> (raw)
In-Reply-To: <20130326174804.GB10383@sigill.intra.peff.net>

On 26 March 2013 18:48, Jeff King <peff@peff.net> wrote:
> On Tue, Mar 26, 2013 at 06:20:09PM +0100, demerphq wrote:
>
>> Seconded. At $work lots of people started asking anxious questions
>> about this. It was suggested it is a potential security hole, although
>> I am not sure I agree, but the general idea being that if you could
>> manage to set this var in someones environment then they might use git
>> to do real damage to a system. (The counterargument being that if you
>> can set that in someones environment you can do worse already... But
>> im a not a security type so I cant say)
>
> IMHO, that is just silly. Setting GIT_WORK_TREE=/ would be just as
> destructive. Or GIT_EXTERNAL_DIFF="rm -rf /" (or GIT_PAGER, etc).
> If there is a danger to the implicit-workdir behavior, it is due to
> accidental usage, not from a malicious attack.

Yeah, that was my line of reasoning too. I'm glad to hear you agree.

cheers
Yves

-- 
perl -Mre=debug -e "/just|another|perl|hacker/"

  reply	other threads:[~2013-03-26 19:09 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-25 21:38 git ate my home directory :-( Richard Weinberger
2013-03-25 21:43 ` Jonathan Nieder
2013-03-25 22:02   ` Junio C Hamano
2013-03-25 22:08     ` Jonathan Nieder
2013-03-25 22:15       ` Junio C Hamano
2013-03-25 22:06   ` Junio C Hamano
2013-03-25 22:09     ` Richard Weinberger
2013-03-25 22:15       ` Jonathan Nieder
2013-03-25 22:20       ` Junio C Hamano
2013-03-25 22:27         ` Richard Weinberger
2013-03-25 22:13     ` Jonathan Nieder
2013-03-25 22:21       ` Brandon Casey
2013-03-26  8:02     ` Philip Oakley
2013-03-26  9:48       ` Duy Nguyen
2013-03-26 15:04         ` Jeff King
2013-03-26 16:32           ` Junio C Hamano
2013-03-27 13:05           ` Duy Nguyen
2013-03-26 21:47         ` Philip Oakley
2013-03-26 13:07       ` Richard Weinberger
2013-03-26 14:56         ` Jeff King
2013-03-26 17:06           ` Richard Weinberger
2013-03-26 17:20             ` demerphq
2013-03-26 17:48               ` Jeff King
2013-03-26 19:08                 ` demerphq [this message]
2013-03-26 17:41             ` Jeff King
2013-03-26 18:20               ` Junio C Hamano
2013-03-26 20:08                 ` Jeff King
2013-03-26 20:11                   ` [DONOTAPPLY PATCH 1/3] environment: set GIT_WORK_TREE when we figure out work tree Jeff King
2013-03-26 20:16                     ` Jonathan Nieder
2013-03-26 20:12                   ` [DONOTAPPLY PATCH 2/3] setup: warn about implicit worktree with $GIT_DIR Jeff King
2013-03-26 20:21                     ` Jonathan Nieder
2013-03-26 20:27                       ` Jeff King
2013-03-26 20:35                         ` Jonathan Nieder
2013-03-27  8:24                         ` Matthieu Moy
2013-03-26 20:13                   ` [DONOTAPPLY PATCH 3/3] setup: treat GIT_DIR without GIT_WORK_TREE as a bare repo Jeff King

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