Input validation error in Ruby on Rails - CVE-2013-3221
Published: September 29, 2025
Vulnerability identifier: #VU116149
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-2013-3221
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the application does not ensure that the declared data type of a database column is used during comparisons of input values to stored values in that column. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Ruby on Rails
How to mitigate CVE-2013-3221
Install updates from vendor's website.
Ruby on Rails - update to 4.0.0
External References
- http://openwall.com/lists/oss-security/2013/02/06/7
- http://openwall.com/lists/oss-security/2013/04/24/7
- http://pl.reddit.com/r/netsec/comments/17yajp/mysql_madness_and_rails/
- http://www.phenoelit.org/blog/archives/2013/02/index.html
- https://gist.github.com/dakull/5442275
- https://groups.google.com/group/rubyonrails-security/msg/1f3bc0b88a60c1ce?dmode=source&output=gplain