CVE-2013-1856

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.

Category

5.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.77% Top 30%
Vendor Advisory apple.com Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html vendor advisory
http://support.apple.com/kb/HT5784
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor advisory
https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=source&output=gplain mailing list
http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/

Frequently Asked Questions

What is the severity of CVE-2013-1856?
CVE-2013-1856 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1856?
To fix CVE-2013-1856, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-1856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1856 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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