SB2012062225 - NULL pointer dereference in Ruby on Rails
Published: June 22, 2012 Updated: September 29, 2025
Security Bulletin ID
SB2012062225
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2012-2694)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
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 crafted request.
Remediation
Install update from vendor's website.
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/e2d3a87f2c211def?dmode=source&output=gplain