CVE-2012-2213

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NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a \"req_header Host\" acl regex that matches www.uol.com.br."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20120419 RE: Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0146.html"}, {"name": "20120420 Re: Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0163.html"}, {"name": "20120418 Re: Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0131.html"}, {"name": "20120421 Re: Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0165.html"}, {"name": "20120416 Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0117.html"}, {"name": "20120419 Re: Squid URL Filtering Bypass", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0140.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T19:26:08.988Z"}, "title": "CVE Program Container", "references": [{"name": "20120419 RE: Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0146.html"}, {"name": "20120420 Re: Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0163.html"}, {"name": "20120418 Re: Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0131.html"}, {"name": "20120421 Re: Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0165.html"}, {"name": "20120416 Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0117.html"}, {"name": "20120419 Re: Squid URL Filtering Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0140.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2012-2213", "datePublished": "2012-04-28T10:00:00.000Z", "dateReserved": "2012-04-06T00:00:00.000Z", "dateUpdated": "2024-09-16T22:19:37.657Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squid-cache:squid:3.1.9:*:*:*:*:*:*:*", "matchCriteriaId": "41914354-D5BE-4B1F-BED3-0ECA43586537", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a \"req_header Host\" acl regex that matches www.uol.com.br"}, {"lang": "es", "value": "** EN DISPUTA ** Squid v3.1.9 permite a atacantes remotos evitar la configuraci\u00f3n de acceso para el m\u00e9todo CONNECT, proporcionando un nombre de host arbitrario en la cabecera 'host HTTP'. NOTA: este problema no puede ser reproducible, porque el investigador es incapaz de proporcionar un archivo squid.conf de un sistema vulnerable, y el comportamiento observado es consistente con un archivo squid.conf que fue (tal vez sin darse cuenta), dise\u00f1ado para permitir el acceso basado en una expresi\u00f3n regular de ACL \"host req_header\" que coincide con www.uol.com.br."}], "id": "CVE-2012-2213", "lastModified": "2026-06-16T23:41:11.623", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-04-28T10:06:13.273", "references": [{"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0117.html"}, {"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0131.html"}, {"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0140.html"}, {"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0146.html"}, {"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0163.html"}, {"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0165.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0117.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0131.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0140.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0146.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0163.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0165.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "squid: URL filtering bypass", "id": "817521", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=817521"}, "csaw": false, "cvss": {"cvss_base_score": "6.4", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "status": "draft"}, "details": ["Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a \"req_header Host\" acl regex that matches www.uol.com.br"], "name": "CVE-2012-2213", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Under investigation", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2012-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2213\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2213"], "statement": "We do not currently plan to fix this issue due to the lack of further information about the flaw and its impact. If more information becomes available at a future date, we may revisit the issue.", "threat_severity": "Low"}

{}