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Date: Sun, 25 Sep 2011 13:47:29 +0000
From: Zeev Suraski <zeev@...d.com>
To: Pierre Joye <pierre.php@...il.com>
CC: Vincent Danen <vdanen@...hat.com>, "oss-security@...ts.openwall.com"
<oss-security@...ts.openwall.com>, "security@....net" <security@....net>,
Stas Malyshev <smalyshev@...arcrm.com>
Subject: RE: CVE request: is_a() function may allow arbitrary code execution
in PHP 5.3.7/5.3.8
> -----Original Message-----
> From: Pierre Joye [mailto:pierre.php@...il.com]
> Sent: Sunday, September 25, 2011 12:02 PM
> To: Stas Malyshev
> Cc: Vincent Danen; oss-security@...ts.openwall.com; security@....net
> Subject: Re: CVE request: is_a() function may allow arbitrary code execution
> in PHP 5.3.7/5.3.8
>
> hi Stas,
>
> I tend to disagree here. One of the CVE goal is not about declaring one or the
> other guilty of bad practice(s) but about informing users about security issues
> in the software they use and how to act correctly to fix these issues.
There aren't any security issues in PHP in that context. Assigning a CVE to PHP in that context would create the impression that there is indeed an issue in PHP here.
It's not a matter of who's 'guilty' in terms of positioning - but in terms of where the actual security issue resides. And it does not reside in PHP.
So I agree with Stas, it doesn't make sense to have a CVE here. Otherwise, almost every change we make, including bug fixes, could somehow result in some faulty piece of code somewhere becoming vulnerable to something.
Zeev
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