Improper Input Validation Affecting ruby-activesupport-3.2 package, versions <3.2.6-5


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.05% (79th percentile)

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  • Snyk IDSNYK-UBUNTU1404-RUBYACTIVESUPPORT32-330998
  • published19 Mar 2013
  • disclosed19 Mar 2013

Introduced: 19 Mar 2013

CVE-2013-1856  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 ruby-activesupport-3.2 to version 3.2.6-5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby-activesupport-3.2 package and not the ruby-activesupport-3.2 package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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 Base Scores

version 3.1