CVE-2013-6417 actionpack allows bypass of database-query restrictions

Medium 6.4 Published Updated

Remote attackers can bypass database restrictions and manipulate queries via crafted requests in Ruby on Rails applications using specific Rack middleware.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2013-6417?

CVE-2013-6417 is a medium-severity SQL injection vulnerability in Rubyonrails Rails, published on 7 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

actionpack/lib/action_dispatch/http/request.rb in Ruby on Rails before 3.2.16 and 4.x before 4.0.2 does not properly consider differences in parameter handling between the Active Record component and the JSON implementation, which allows remote attackers to bypass intended database-query restrictions and perform NULL checks or trigger missing WHERE clauses via a crafted request that leverages (1) third-party Rack middleware or (2) custom Rack middleware. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-0155.

Weakness: CWE-264

Which versions are affected by CVE-2013-6417?

4 open source packages ship an affected version, including actionpack. It affects 2 products.

PackageAffectedFixed in
actionpack RubyGemsFrom 3.0.03.2.16
actionpack RubyGemsFrom 3.0.03.2.16
actionpack RubyGemsFrom 4.0.04.0.2
actionpack RubyGemsFrom 4.0.04.0.2

Products include Rubyonrails Rails, Rubyonrails Ruby on Rails.

How do I fix CVE-2013-6417?

Upgrade actionpack to a fixed version for your release line: 3.2.16 or 4.0.2.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2013-6417 being exploited?

There is no known exploitation of CVE-2013-6417 in the wild and no public exploit code.

All Rubyonrails Rails vulnerabilities

Sources

Also known as GHSA-wpw7-wxjm-cw8r.

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