CVE Database


Impact: Critical
Public: 2013-01-08
CWE: CWE-502
Bugzilla: 892870: CVE-2013-0156 rubygem-activesupport: Multiple vulnerabilities in parameter parsing in ActionPack
IAVA: 2013-A-0066


The MITRE CVE dictionary describes this issue as:

active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion.

Find out more about CVE-2013-0156 from the MITRE CVE dictionary and NIST NVD.


For details of affected products and workarounds see

CVSS v2 metrics

Base Score: 7.5
Base Metrics: 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

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
CloudForms System Engine for RHEL 6 Server RHSA-2013:0155 January 10, 2013
Red Hat OpenShift Enterprise Client Tools RHSA-2013:0153 January 10, 2013
Red Hat Subscription Asset Manager for RHEL 6 Server RHSA-2013:0154 January 10, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.