Published: 29/08/2011 Updated: 08/08/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

VMScore: 435

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

The to_s method in actionpack/lib/action_dispatch/middleware/remote_ip.rb in Ruby on Rails 3.0.5 does not validate the X-Forwarded-For header in requests from IP addresses on a Class C network, which might allow remote malicious users to inject arbitrary text into log files or bypass intended address parsing via a crafted header.

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rubyonrails rails 3.0.5

source: wwwsecurityfocuscom/bid/46423/info Ruby on Rails is prone to a vulnerability that allows attackers to inject arbitrary content into the 'X-Forwarded-For', 'X-Forwarded-Host' and 'X-Forwarded-Server' HTTP headers because the 'WEBrick::HTTPRequest' module fails to sufficiently sanitize input By inserting arbitrary data into the af ...

CWE-20 http://www.openwall.com/lists/oss-security/2011/08/22/13 http://www.openwall.com/lists/oss-security/2011/08/22/5 http://webservsec.blogspot.com/2011/02/ruby-on-rails-vulnerability.html http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0337.html http://www.openwall.com/lists/oss-security/2011/08/22/14 http://www.openwall.com/lists/oss-security/2011/08/17/1 http://www.openwall.com/lists/oss-security/2011/08/20/1 https://bugzilla.novell.com/show_bug.cgi?id=673010 http://www.openwall.com/lists/oss-security/2011/08/19/11 https://nvd.nist.gov https://www.exploit-db.com/exploits/35352/

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CVE-2011-3187

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