Vulnerability CVE-2011-2932
Published: 2011-08-29   Modified: 2012-02-13

Description:
Cross-site scripting (XSS) vulnerability in activesupport/lib/active_support/core_ext/string/output_safety.rb in Ruby on Rails 2.x before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a malformed Unicode string, related to a "UTF-8 escaping vulnerability."

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ruby on rails -> Ruby on rails 
Rubyonrails -> Ruby on rails 
Rubyonrails -> Rails 

 References:
http://groups.google.com/group/rubyonrails-security/msg/f1d2749773db9f21?dmode=source&output=gplain
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065114.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065189.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065212.html
http://weblog.rubyonrails.org/2011/8/16/ann-rails-3-1-0-rc6
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
https://bugzilla.redhat.com/show_bug.cgi?id=731435
https://github.com/rails/rails/commit/bfc432574d0b141fd7fe759edfe9b6771dd306bd
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