MEDIUM

GHSA-j96r-xvjq-r9pg

activesupport vulnerable to Denial of Service via large XML document depth

Quick fix

GHSA-j96r-xvjq-r9pg — activesupport: upgrade to the fixed version with the command below.

bundle update activesupport

Details

The (1) `jdom.rb` and (2) `rexml.rb` components in Active Support in Ruby on Rails before 3.2.22, 4.1.x before 4.1.11, and 4.2.x before 4.2.2, when JDOM or REXML is enabled, allow remote attackers to cause a denial of service (SystemStackError) via a large XML document depth.

Are you affected?

Enter the version of the package you're using.

Affected packages

RubyGems/activesupport

Introduced in: 4.0.0.beta1Fixed in: 4.1.11

Fixbundle update activesupport

RubyGems/activesupport

Introduced in: 4.2.0.beta1Fixed in: 4.2.2

Fixbundle update activesupport

RubyGems/activesupport

Introduced in: 0Fixed in: 3.2.22

Fixbundle update activesupport

References

https://nvd.nist.gov/vuln/detail/CVE-2015-3227[ADVISORY]
https://github.com/rails/rails/commit/12f763ce1131d29d24bd0d8f868e2697a139aea3[WEB]
https://github.com/rails/rails/commit/153cc843ad95930b00b0ca91d30b599b7dec9680[WEB]
https://github.com/rails/rails/commit/78b29e08c700d889837af6c51c7debd3864abc3d[WEB]
https://github.com/rails/rails[PACKAGE]
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/bahr2JLnxvk/x4EocXnHPp8J[WEB]
https://web.archive.org/web/20200228041703/http://www.securityfocus.com/bid/75234[WEB]
https://web.archive.org/web/20200517005133/http://www.securitytracker.com/id/1033755[WEB]
http://lists.opensuse.org/opensuse-updates/2015-07/msg00050.html[WEB]
http://openwall.com/lists/oss-security/2015/06/16/16[WEB]
http://www.debian.org/security/2016/dsa-3464[WEB]