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Re: possibly security bug in mv ?
From: |
Andreas Schwab |
Subject: |
Re: possibly security bug in mv ? |
Date: |
Mon, 22 Aug 2005 16:10:43 +0200 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) |
Nelson Benítez <address@hidden> writes:
> Hi, on man page of mv it is said:
>
> "When both source and destination are on the same filesystem, they are
> the same file (just the name is changed; owner, mode, timestamps remain
> unchanged). When they are on different filesystems, the source file is
> copied and then deleted. mv will copy modification time, access time,
> user and group ID, and mode if possible. When copying user and/or group
> ID fails, the setuid and setgid bits are cleared in the copy."
>
> The last sentence (clearing setuid,setgid bits) doesn't seem to be true
> in the following testcase:
You should report that to the author of the manual page. There is no such
statement in the documentation of coreutils, neither version 5.2.1 nor
5.3.0.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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