From: Bart Schaefer <schaefer@brasslantern.com>
To: <zsh-workers@zsh.org>
Subject: Re: zsh/files module and insecure tempfile creation
Date: Sun, 11 Jan 2015 22:56:26 -0800 [thread overview]
Message-ID: <150111225626.ZM5554@torch.brasslantern.com> (raw)
In-Reply-To: <20150112054344.GC1728@tarsus.local2>
On Jan 12, 5:43am, Daniel Shahaf wrote:
} Subject: Re: zsh/files module and insecure tempfile creation
}
} Bart Schaefer wrote on Fri, Jan 09, 2015 at 22:31:50 -0800:
} > Next the attacker must be able to swap the directory or symlink with
} > a symlink to his own target file.
}
} On FreeBSD systems, 'cat /path/to/dir' works (prints something and
} returns 0).
That is also avoided, I think, by using zf_ln -fn to be sure the target
is removed and replaced by zsh's temp file. I think we're OK there after
this latest patch pass.
prev parent reply other threads:[~2015-01-12 6:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-10 6:31 Bart Schaefer
2015-01-10 19:58 ` Peter Stephenson
2015-01-11 2:04 ` Bart Schaefer
2015-01-12 5:43 ` Daniel Shahaf
2015-01-12 6:56 ` Bart Schaefer [this message]
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