Permissions, Privileges, and Access Controls in Ruby on Rails - CVE-2012-2660
Published: September 29, 2025
Vulnerability identifier: #VU116167
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2660
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to actionpack/lib/action_dispatch/http/request.rb in Ruby on Rails does not properly consider differences in parameter handling between the Active Record component and the Rack interface. A remote attacker can bypass intended database-query restrictions and perform NULL checks via a specially crafted request.
Affected software
Ruby on Rails
How to mitigate CVE-2012-2660
Install updates from vendor's website.
Ruby on Rails - addressed in versions 3.0.13, 3.1.5, 3.2.4
External References
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00017.html
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00046.html
- http://rhn.redhat.com/errata/RHSA-2013-0154.html
- https://groups.google.com/group/rubyonrails-security/msg/d890f8d58b5fbf32?dmode=source&output=gplain