Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-3vfw-7rcp-3xgm
Advisory ID github_osv/GHSA-3vfw-7rcp-3xgm
Aliases CVE-2011-3187
Summary actionpack Improper Input Validation vulnerability 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 attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
Status Published
Exploitability 2.0
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual MODERATE
Reference id Reference type URL
https://bugzilla.novell.com/show_bug.cgi?id=673010
https://github.com/rails/rails
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-3187.yml
https://web.archive.org/web/20111209181000/http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0337.html
http://webservsec.blogspot.com/2011/02/ruby-on-rails-vulnerability.html
http://www.openwall.com/lists/oss-security/2011/08/17/1
http://www.openwall.com/lists/oss-security/2011/08/19/11
http://www.openwall.com/lists/oss-security/2011/08/20/1
http://www.openwall.com/lists/oss-security/2011/08/22/13
http://www.openwall.com/lists/oss-security/2011/08/22/14
http://www.openwall.com/lists/oss-security/2011/08/22/5
CVE-2011-3187 https://nvd.nist.gov/vuln/detail/CVE-2011-3187
Data source Exploit-DB
Date added Feb. 16, 2011
Description Ruby on Rails 3.0.5 - 'WEBrick::HTTPRequest' Module HTTP Header Injection
Ransomware campaign use Known
Source publication date Feb. 16, 2011
Exploit type remote
Platform multiple
Source update date Nov. 24, 2014
Source URL https://www.securityfocus.com/bid/46423/info
Data source Exploit-DB
Date added Feb. 16, 2011
Description Ruby on Rails 3.0.5 - 'WEBrick::HTTPRequest' Module HTTP Header Injection
Ransomware campaign use Known
Source publication date Feb. 16, 2011
Exploit type remote
Platform multiple
Source update date Nov. 24, 2014
Source URL https://www.securityfocus.com/bid/46423/info

No EPSS data available for this advisory.

Patch URL
There are no known patches.

There are no known vectors.

There are no SSVC decisions available.