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Date: Thu, 4 Jun 2015 09:11:28 -0300
From: Felipe Pena <felipensp@...il.com>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
Subject: Re: Re: Re: Re: Re: CVE-2015-3217: PCRE Library Call
Stack Overflow Vulnerability in match()
On Wed, Jun 3, 2015 at 9:58 PM, wen_guanxing
<wen_guanxing@...ustech.com.cn> wrote:
> Although PHP is not setting the match_limit_recursion correctly, this pattern revealed a bug in the zero length recursion detector.Running the pattern with pcretest, the process will also hang.
> It's fair to say that both PHP and PCRE has made a mistake.
> I will report this later to PHP later.
AFAIK this is not a bug on PHP at all, this is a long time known issue
on PCRE lib instead.
Check the documentation for futher details:
http://pcre.org/current/doc/html/pcre2stack.html
--
Regards,
Felipe Pena
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