CVE-2013-1856

Name	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	703350

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rails (PTS)	jessie, jessie (lts)	2:4.1.8-1+deb8u9	fixed
	stretch (security), stretch (lts), stretch	2:4.2.7.1-1+deb9u5	fixed
	buster (security), buster, buster (lts)	2:5.2.2.1+dfsg-1+deb10u5	fixed
	bullseye (security), bullseye	2:6.0.3.7+dfsg-2+deb11u2	fixed
	bookworm	2:6.1.7.3+dfsg-2~deb12u1	fixed
	sid, trixie	2:6.1.7.3+dfsg-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Debian Bugs
rails	source	(unstable)	(not affected)
ruby-activesupport-2.3	source	(unstable)	(not affected)
ruby-activesupport-3.2	source	(unstable)	3.2.6-6	703350

Notes

- ruby-activesupport-2.3 <not-affected> (Only affects 3.x and later)
- rails <not-affected> (Only affects 3.x and later)
Starting with 2.3.14.1 rails is a transition package