Bug #72399 [Csd]: Use-After-Free in MBString (search_re)

From: Date: Tue, 14 Jun 2016 08:28:43 +0000
Subject: Bug #72399 [Csd]: Use-After-Free in MBString (search_re)
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=72399&edit=1 ID: 72399 Updated by: shm@php.net Reported by: shm@php.net Summary: Use-After-Free in MBString (search_re) Status: Closed Type: Bug Package: mbstring related PHP Version: 7.0Git-2016-06-13 (Git) Assigned To: laruence Block user comment: N Private report: N New Comment: Thanks for the clarification. Still, shown code pattern could be used in popular script, thus it would let to perform attack from the remote. I don't want to force this bug (or any other as a security issue), but I'm just a little bit confused - what's the difference between this one and https://bugs.php.net/bug.php?id=72093 this one for example. Previous Comments: ------------------------------------------------------------------------ [2016-06-14 07:57:34] stas@php.net Yes, we do. Issues that require local access to trigger do not considered as a rule security issues, since once you can run code on a local host, you can do anything anyway. ------------------------------------------------------------------------ [2016-06-14 06:32:25] shm@php.net I'm not sure what we consider as a security issue. Previously bugs like this one were marked as security bugs (it can be used to bypass disable_functions upon code execution is done, potentially code to trigger that issue could be also present in popular script). Do we have any policy on this subject? ------------------------------------------------------------------------ [2016-06-14 01:20:46] laruence@php.net Automatic comment on behalf of laruence@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=3d5641872239cbd4ec8855b05c90f94fb0d11d7e Log: Fixed bug #72399 (Use-After-Free in MBString (search_re)) ------------------------------------------------------------------------ [2016-06-14 01:17:51] laruence@php.net this is not a security issue, as you need specially codes to trigger it ------------------------------------------------------------------------ [2016-06-13 20:34:51] shm@php.net 7.1 -> 7.0 ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=72399 -- Edit this bug report at https://bugs.php.net/bug.php?id=72399&edit=1

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