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A SQL Injection Flaw (CVE-2012-5664) was announced last week
(Jan 2) in Ruby on Rails, but I think we missed reporting on it
(thanks to one of our readers for pointing this out). Updates
that resolve this are: 3.2.10, 3.1.9, and 3.0.18
Because of the security profile of Ruby on Rails (the largest Ruby
project around is one you should be familiar with - Metasploit),
any security issues should be taken seriously. However, the hype
and hoopla that any site with RoR code on it is vulnerable is just
that - the vulnerability being discussed is very specific in
nature, but folks hear "sql injection" and (mistakenly as far as I
can see) send it to the headline page.
A very complete explanation of the scenarios that are at issue are
outlined in this here:
https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/DCNTNp_qjFM
and here:
http://blog.phusion.nl/2013/01/03/rails-sql-injection-vulnerability-hold-your-horses-here-are-the-facts/
Additional issues (CVE-2013-0155 and CVE-2013-0156) are resolved
in these new releases also.
Update:
Thanks Ariel for pointing out that they've updated the original patch (just yesterday) with new RoR versions 3.2.11, 3.1.10, 3.0.19, and 2.3.15. All previous versions should be considered vulnerable. They're also ratcheting up the urgency in the language around this issue - perhaps there's a bit more of a problem here than originally thought?
You can follow the official revision history at: http://weblog.rubyonrails.org/releases/
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Rob VandenBrink
Metafore