The sanitize_css method in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component...
Vulnerability Description
The sanitize_css method in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18, 3.0.x and 3.1.x before 3.1.12, and 3.2.x before 3.2.13 does not properly handle \n (newline) characters, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted Cascading Style Sheets (CSS) token sequences.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- https://groups.google.com/group/rubyonrails-security/msg/8ed835a97cdd1afd?dmode=source&output=gplain
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00073.html
- http://support.apple.com/kb/HT5784
- http://rhn.redhat.com/errata/RHSA-2013-0698.html
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00072.html
- http://rhn.redhat.com/errata/RHSA-2014-1863.html
- http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.