CVE-2011-3186
CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response
02 Description
CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.74% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-08-29 18:00Z15 YR AGO
- Last updated
- 2024-08-06 23:22Z2 YR AGO
- Reserved
- 2011-08-19
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.1
- Document digest
- 54a8c9e6026e34ac65f99e2fec14bee5d5e66a45a7e1c7cb1ec8102caa982dd2
05 Affected products
06 References
- www.openwall.com[oss-security] 20110817 CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/17/1
- www.openwall.com[oss-security] 20110822 Re: CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/22/13
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=732156
- lists.fedoraproject.orgFEDORA-2011-11567http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html
- www.openwall.com[oss-security] 20110819 Re: CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/19/11
- www.debian.orgDSA-2301http://www.debian.org/security/2011/dsa-2301
- secunia.com45921http://secunia.com/advisories/45921
- www.openwall.com[oss-security] 20110820 Re: CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/20/1
- www.openwall.com[oss-security] 20110822 Re: CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/22/14
- www.openwall.com[oss-security] 20110822 Re: CVE request: ruby on rails flaws (4)http://www.openwall.com/lists/oss-security/2011/08/22/5
- github.comhttps://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9
- groups.google.com[rubyonrails-security] 20110816 Response Splitting Vulnerability in Ruby on Railshttp://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source&output=gplain
07 Fixed in
Debian 12
- rails Fixed in 2.3.14
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- rails Fixed in 2.3.14
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- rails Fixed in 2.3.14
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.