CVE-2011-3186 (GCVE-0-2011-3186)
Vulnerability from cvelistv5 – Published: 2011-08-29 18:00 – Updated: 2024-08-06 23:22
VLAI
EPSS
VEX
Summary
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 splitting attacks via the Content-Type header.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
12 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2011/08/17/1 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2011/0… | mailing-listx_refsource_MLIST |
| https://bugzilla.redhat.com/show_bug.cgi?id=732156 | x_refsource_CONFIRM |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| http://www.openwall.com/lists/oss-security/2011/0… | mailing-listx_refsource_MLIST |
| http://www.debian.org/security/2011/dsa-2301 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/45921 | third-party-advisoryx_refsource_SECUNIA |
| http://www.openwall.com/lists/oss-security/2011/08/20/1 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2011/0… | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2011/08/22/5 | mailing-listx_refsource_MLIST |
| https://github.com/rails/rails/commit/11dafeaa753… | x_refsource_CONFIRM |
| http://groups.google.com/group/rubyonrails-securi… | mailing-listx_refsource_MLIST |
Date Public
2011-08-16 00:00
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Content-Type.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1467583-23E9-4E2B-982D-80A356174BB6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DC784C0-5618-4C32-8C17-BE7041656E14\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CFB9ABB5-1F78-4CF0-BA82-7833E0F7A56E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF3ED96F-3EA4-4E47-A559-9DF9A7D3DDE2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3B38EAA4-E948-45A7-B6E5-7214F2B545E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6ECC8C49-5A46-4D23-81F9-8243F5D508DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rubyonrails:rails:2.3.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"312848C5-BA35-4A48-B66D-195A5E1CD00F\"}]}]}],\"references\":[{\"url\":\"http://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source\u0026output=gplain\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/45921\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2011/dsa-2301\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/17/1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/19/11\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/20/1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/13\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/14\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/5\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=732156\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source\u0026output=gplain\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/45921\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2011/dsa-2301\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/17/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/19/11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/20/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/13\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/14\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/08/22/5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=732156\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9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"redhat_vex": {
"current_release_date": "2025-11-21T12:56:05+00:00",
"cve": "CVE-2011-3186",
"id": "CVE-2011-3186",
"initial_release_date": "2011-08-16T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "rubygem-actionpack: response splitting flaw",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-3186.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2025-04-25T13:44:38Z",
"cve": "CVE-2011-3186",
"id": "CVE-2011-3186",
"initial_release_date": "2023-02-15T05:51:12Z",
"product_status:recommended": "7",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-3186",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-3186.json",
"version": "5"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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