Vulnerability Monitor

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CVE-2013-0269

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."

Security Impact Summary

CVE-2013-0269 is a security vulnerability that . Impacting 1 product from rubygems organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-02-13T01:55:05.107

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubygems	json_gem	1.5.0	Yes
Application	rubygems	json_gem	1.5.1	Yes
Application	rubygems	json_gem	1.5.2	Yes
Application	rubygems	json_gem	1.5.3	Yes
Application	rubygems	json_gem	1.5.4	Yes
Application	rubygems	json_gem	1.6.0	Yes
Application	rubygems	json_gem	1.6.1	Yes
Application	rubygems	json_gem	1.6.2	Yes
Application	rubygems	json_gem	1.6.3	Yes
Application	rubygems	json_gem	1.6.4	Yes
Application	rubygems	json_gem	1.6.5	Yes
Application	rubygems	json_gem	1.6.6	Yes
Application	rubygems	json_gem	1.6.7	Yes
Application	rubygems	json_gem	1.7.0	Yes
Application	rubygems	json_gem	1.7.1	Yes
Application	rubygems	json_gem	1.7.2	Yes
Application	rubygems	json_gem	1.7.3	Yes
Application	rubygems	json_gem	1.7.4	Yes
Application	rubygems	json_gem	1.7.5	Yes
Application	rubygems	json_gem	1.7.6	Yes

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0686.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0701.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-1028.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-1147.html ([email protected])
http://secunia.com/advisories/52075 Vendor Advisory ([email protected])
http://secunia.com/advisories/52774 ([email protected])
http://secunia.com/advisories/52902 ([email protected])
http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed ([email protected])
http://weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/ Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2013/02/11/7 ([email protected])
http://www.openwall.com/lists/oss-security/2013/02/11/8 ([email protected])
http://www.osvdb.org/90074 ([email protected])
http://www.securityfocus.com/bid/57899 ([email protected])
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862 ([email protected])
http://www.ubuntu.com/usn/USN-1733-1 ([email protected])
http://www.zweitag.de/en/blog/ruby-on-rails-vulnerable-to-mass-assignment-and-sql-injection ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/82010 ([email protected])
https://groups.google.com/group/rubyonrails-security/msg/d8e0db6e08c81428?dmode=source&output=gplain ([email protected])
https://puppet.com/security/cve/cve-2013-0269 ([email protected])
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0686.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0701.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-1028.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-1147.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/52075 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/52774 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/52902 (af854a3a-2127-422b-91ae-364da2661108)
http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed (af854a3a-2127-422b-91ae-364da2661108)
http://weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/02/11/7 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/02/11/8 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/90074 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/57899 (af854a3a-2127-422b-91ae-364da2661108)
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1733-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.zweitag.de/en/blog/ruby-on-rails-vulnerable-to-mass-assignment-and-sql-injection (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/82010 (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/group/rubyonrails-security/msg/d8e0db6e08c81428?dmode=source&output=gplain (af854a3a-2127-422b-91ae-364da2661108)
https://puppet.com/security/cve/cve-2013-0269 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rubygems's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.