PT-2011-4191 · Ruby+1 · Ruby On Rails+1

Tenderlove · Published 2011-08-29 · Updated 2019-08-08 · CVE-2011-2932

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Ruby on Rails versions 2.x through 2.3.12 Ruby on Rails versions 3.0.x through 3.0.9 Ruby on Rails versions 3.1.x through 3.1.0.rc4

Description A cross-site scripting (XSS) issue allows remote attackers to inject arbitrary web script or HTML via a malformed Unicode string, related to a "UTF-8 escaping vulnerability" in the activesupport/lib/active support/core ext/string/output safety.rb file. This issue affects Ruby on Rails, enabling attackers to execute malicious scripts on user browsers.

Recommendations For Ruby on Rails versions 2.x through 2.3.12, update to version 2.3.13 or later. For Ruby on Rails versions 3.0.x through 3.0.9, update to version 3.0.10 or later. For Ruby on Rails versions 3.1.x through 3.1.0.rc4, update to version 3.1.0.rc5 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2011-2932

DSA-2655-1

GHSA-9FH3-VH3H-Q4G3

Affected Products

Ruby On Rails

Suse

References · 21

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2011-2932.yml · Exploit
• https://github.com/rails/rails/commit/bfc432574d0b141fd7fe759edfe9b6771dd306bd · Patch
• https://osv.dev/vulnerability/CVE-2011-2932 · Vendor Advisory
• http://groups.google.com/group/rubyonrails-security/msg/f1d2749773db9f21?dmode=source&output=gplain · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=731435 · Patch
• http://openwall.com/lists/oss-security/2011/08/22/13 · Patch
• http://openwall.com/lists/oss-security/2011/08/20/1 · Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065189.html · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9fh3-vh3h-q4g3 · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/08/17/1 · Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065114.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/08/19/11 · Patch
• https://security-tracker.debian.org/tracker/CVE-2011-2932 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-2932 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-2932 · Vendor Advisory