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Groups > gnu.bash.bug > #11256
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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: cannot declare local variables if they're readonly |
| Date | Thu, 23 Jul 2015 09:05:14 -0400 |
| Lines | 17 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.7298.1437656729.904.bug-bash@gnu.org> (permalink) |
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| Cc | chet.ramey@case.edu |
| To | isabella parakiss <izaberina@gmail.com>, bug-bash <bug-bash@gnu.org> |
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On 7/22/15 7:12 PM, isabella parakiss wrote: > From variables.c > > The test against old_var's context > level is to disallow local copies of readonly global variables (since I > believe that this could be a security hole). > > Can you please explain how that can be a security hole? http://lists.gnu.org/archive/html/bug-bash/2011-02/msg00194.html http://lists.gnu.org/archive/html/bug-bash/2012-04/msg00099.html -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
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Re: cannot declare local variables if they're readonly Chet Ramey <chet.ramey@case.edu> - 2015-07-23 09:05 -0400
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