Improper input validation in Rubygems JSON Gem
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."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.134 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.139 · newest: 0.134 · change: -0.005
Affected products
- Rubygems JSON Gem — versions 1.5.0, 1.5.1, 1.5.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2013-0701.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2013-04/msg00034.html (vendor-advisory)
- lists.apple.com/archives/security-announce/2013/Oct/msg00006.html (vendor-advisory)
- www.slackware.com/security/viewer.php (vendor-advisory)
- secunia.com/advisories/52774 (third-party-advisory)
- spreecommerce.com/blog/multiple-security-vulnerabilities-fixed
- groups.google.com/group/rubyonrails-security/msg/d8e0db6e08c81428 (mailing-list)
- www.osvdb.org/90074 (vdb-entry)
- puppet.com/security/cve/cve-2013-0269
- secunia.com/advisories/52902 (third-party-advisory)
Frequently asked questions
- What is CVE-2013-0269?
- CVE-2013-0269 is a vulnerability in Rubygems JSON Gem, classified under Improper Input Validation. Published 2013-02-13.
- Is CVE-2013-0269 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.