Date: Thu, 28 Jun 2012 14:15:44 +0100 From: Stuart Henderson <stu@...cehopper.org> To: oss-security@...ts.openwall.com Cc: Kurt Seifried <kseifried@...hat.com>, security@....net Subject: Re: Re: PHP information disclosure via easter egg ?=PHPB8B5F2A0-3C92-11d3-A3A9-4C7B08C10000 On 2012/06/28 12:34, Johannes Schlüter wrote: > Hi, > > On Wed, 2012-06-27 at 23:12 -0600, Kurt Seifried wrote: > > http://php.net/?=PHPB8B5F2A0-3C92-11d3-A3A9-4C7B08C10000 > > > > shows authors, SAPI modules (and their authors) and normal modules > > (and their authors), resulting in a significant information disclosure > > (version #'s can be narrowed down from the authors list). > > I have barely seen attackers actually trying to figure out the version > number. 99% are directly trying to exploit known vectors using some > scripts. And to get the version number there's a way simpler way, also > controlled using the same php.ini setting: > > $ echo "HEAD / HTTP/1.0\n" | nc www.php.net 80 | grep PHP > Server: Apache/1.3.41 (Unix) PHP/5.2.17 > X-Powered-By: PHP/5.2.17 Would you expect a variable described as "Decides whether PHP may expose the fact that it is installed on the server" to control whether an anonymous user can fetch a list of enabled modules?
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