Date: Thu, 5 Dec 2013 18:15:36 +0100 From: Christopher Dell <chris@...rish.com> To: kseifried@...hat.com Cc: oss-security@...ts.openwall.com, ruby-security-ann@...glegroups.com, rubyonrails-security@...glegroups.com, tenderlove@...y-lang.org, "mattaimonetti@...il.com Aimonetti" <mattaimonetti@...il.com>, clemens@...lway.at, jose.valim@...il.com, stephan.soller@...ionweb.de, saimonmoore@...il.com, me@...nfuchs.com Subject: Re: Re: [CVE-2013-4491] Reflective XSS Vulnerability in Ruby on Rails Hello everyone, Just to clarify I18n.enforce_available_locales quickly, when I18n initialises, it creates an array of the known locales called I18n.available_locales. Typically, this array is created by scanning for YML files (in config/locales for a Rails app). With I8n.enforce_available_locales set to true, we check that the locale we're trying to use (eg. translate or localize) is included in the available_locales. This means we're certain it can't be malicious user submitted data even outside of the scope of a Rails app. I could really use a hand with the CVE announcements, I literally have no idea about any of this! Cheers, -- Chris PS. Including Sven's correct email address. On Dec 3, 2013, at 22:54 PM, Kurt Seifried <kseifried@...hat.com> wrote: > Signed PGP part > On 12/03/2013 02:32 PM, kpolitowicz@...onik.ca wrote: > > Thanks. But what's the deal with I18n.enforce_available_locales ? > > > > That's a good question, the technical side of which I would point you at: > > http://rubygems.org/gems/i18n > > The latest release fixes security stuff, however they don't do CVE > announcements/ChangeLog anywhere I can see. Adding them to this email > CC. Guys, if you need help drafting a security announcements I'd be > glad to help. > > -- > Kurt Seifried Red Hat Security Response Team (SRT) > PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 > Content of type "text/html" skipped Download attachment "signature.asc" of type "application/pgp-signature" (497 bytes)
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