Vulnerability Description
The ActiveSupport::XmlMini_JDOM backend in lib/active_support/xml_mini/jdom.rb in the Active Support component in Ruby on Rails 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13, when JRuby is used, does not properly restrict the capabilities of the XML parser, which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via vectors involving (1) an external DTD or (2) an external entity declaration in conjunction with an entity reference.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rubyonrails | Rails | 3.1.0 |
| Rubyonrails | Ruby On Rails | 3.1.11 |
Related Weaknesses (CWE)
References
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- http://support.apple.com/kb/HT5784
- http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-h
- https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- http://support.apple.com/kb/HT5784
- http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-h
- https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=
FAQ
What is CVE-2013-1856?
CVE-2013-1856 is a vulnerability with a CVSS score of 5.8 (MEDIUM). The ActiveSupport::XmlMini_JDOM backend in lib/active_support/xml_mini/jdom.rb in the Active Support component in Ruby on Rails 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13, when JRuby is use...
How severe is CVE-2013-1856?
CVE-2013-1856 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-1856?
Check the references section above for vendor advisories and patch information. Affected products include: Rubyonrails Rails, Rubyonrails Ruby On Rails.