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Message-ID: <20110308150730.66b2591c@orphan> Date: Tue, 8 Mar 2011 15:07:30 +0100 From: Tomas Hoger <thoger@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request, php's shm On Tue, 8 Mar 2011 14:36:49 +0100 Pierre Joye wrote: > This flaw has been discovered by Jose Carlos Norte, already fixed in > SVN by Felipe Pena (felipe@....net), see > http://svn.php.net/viewvc/?view=revision&revision=309018 It may be more readable to use the check as: if (count < 0 || count > shmop->size - size) Previous size check gives you guarantees regarding shmop->size - size result. Just my 2c. -- Tomas Hoger / Red Hat Security Response Team
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