CVE-2013-0269

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-13 · updated 2026-06-16
Weakness: CWE-20

Description

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."

Affected products

rubygems Json Gem: 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6.0 (+14)

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html
http://rhn.redhat.com/errata/RHSA-2013-0686.html
http://rhn.redhat.com/errata/RHSA-2013-0701.html
http://rhn.redhat.com/errata/RHSA-2013-1028.html
http://rhn.redhat.com/errata/RHSA-2013-1147.html
http://secunia.com/advisories/52075
http://secunia.com/advisories/52774
http://secunia.com/advisories/52902
http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed

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