CVE-2013-1856

MEDIUM

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.

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-have-been-released/

https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=source&output=gplain

Details

Source: MITRE

Published: 2013-03-19

Updated: 2019-08-08

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5.8

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

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM