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.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[rubyonrails-security] 20130318 [CVE-2013-1856] XML Parsing Vulnerability affecting JRuby users
Disclaimer: The entry creation date may reflect when
the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security