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Last updated: 5/24/2016 1:39:45 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-0269

Original release date: 02/12/2013
Last revised: 10/30/2013


The JSON gem before 1.5.5, 1.6.x before 1.6.8, and 1.7.x before 1.7.7 for Ruby allows remote attackers to cause a denial of service (resource consumption) or bypass the mass assignment protection mechanism via a crafted JSON document that triggers the creation of arbitrary Ruby symbols or certain internal objects, as demonstrated by conducting a SQL injection attack against Ruby on Rails, aka "Unsafe Object Creation Vulnerability."


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 HIGH
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: REDHAT
Name: RHSA-2013:0686
External Source: SUSE
Name: SUSE-SU-2013:0647
External Source: MLIST
Name: [rubyonrails-security] 20130211 Denial of Service and Unsafe Object Creation Vulnerability in JSON [CVE-2013-0269]
External Source: REDHAT
Name: RHSA-2013:1147
External Source: OSVDB
Name: 90074
External Source: BID
Name: 57899
External Source: REDHAT
Name: RHSA-2013:0701
External Source: XF
Name: json-ruby-security-bypass(82010)
External Source: MLIST
Name: [oss-security] 20130211 Denial of Service and Unsafe Object Creation Vulnerability in JSON [CVE-2013-0269]
External Source: UBUNTU
Name: USN-1733-1
External Source: MISC
Name: http://www.zweitag.de/en/blog/ruby-on-rails-vulnerable-to-mass-assignment-and-sql-injection
External Source: CONFIRM
Name: http://weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/
Type: Advisory
External Source: REDHAT
Name: RHSA-2013:1028
External Source: SUSE
Name: openSUSE-SU-2013:0603
External Source: SLACKWARE
Name: SSA:2013-075-01
External Source: MLIST
Name: [oss-security] 20130211 Patch update for [CVE-2013-0269]
External Source: SUSE
Name: SUSE-SU-2013:0609
External Source: CONFIRM
Name: http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed
External Source: APPLE
Name: APPLE-SA-2013-10-22-5

Technical Details

Vulnerability Type (View All)