PT-2013-3434 · Ruby · Ruby On Rails

Ben Murphy · Published 2013-03-19 · Updated 2019-08-08 · CVE-2013-1856

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Ruby on Rails versions 3.0.x through 3.1.11 Ruby on Rails versions 3.2.x through 3.2.12

Description The issue allows remote attackers to read arbitrary files or cause a denial of service via vectors involving an external DTD or an external entity declaration in conjunction with an entity reference, due to the ActiveSupport::XmlMini JDOM backend not properly restricting the capabilities of the XML parser when JRuby is used.

Recommendations For Ruby on Rails versions 3.0.x through 3.1.11, update to version 3.1.12 or later. For Ruby on Rails versions 3.2.x through 3.2.12, update to version 3.2.13 or later.

Exploit

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2013-1856

GHSA-9C2J-593Q-3G82

Affected Products

Ruby On Rails

References · 11

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2013-1856.yml · Exploit
• http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-1856 · Security Note
• https://osv.dev/vulnerability/GHSA-9c2j-593q-3g82 · Vendor Advisory
• http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html · Vendor Advisory
• https://github.com/rails/rails · Note
• https://web.archive.org/web/20131109010518/http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html · Note
• https://web.archive.org/web/20130609174600/http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html · Note
• https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=source&output=gplain · Note
• http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released · Note
• http://support.apple.com/kb/HT5784 · Note