CVE-2013-1854

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-03-19 · updated 2026-06-16
Weakness: CWE-20

Description

The Active Record component in Ruby on Rails 2.3.x before 2.3.18, 3.1.x before 3.1.12, and 3.2.x before 3.2.13 processes certain queries by converting hash keys to symbols, which allows remote attackers to cause a denial of service via crafted input to a where method.

Affected products

Red Hat Enterprise Linux: 6.0
Ruby on Rails: 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.9 (+53)
rubyonrails Ruby On Rails: 2.3.17, 3.1.11

References

http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00070.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00071.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00075.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00078.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00079.html
http://rhn.redhat.com/errata/RHSA-2013-0699.html
http://rhn.redhat.com/errata/RHSA-2014-1863.html
http://support.apple.com/kb/HT5784
http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/
https://groups.google.com/group/ruby-security-ann/msg/34e0d780b04308de?dmode=source&output=gplain

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