cve-2011-2701
Vulnerability from cvelistv5
Published
2011-08-04 01:00
Modified
2024-08-06 23:08
Severity ?
EPSS score ?
Summary
The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate.
References
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"x_refsource_SECUNIA", "x_transferred" ], "url": "http://secunia.com/advisories/45425" }, { "name": "20110725 [DSB-2011-01] Security Advisory FreeRADIUS 2.1.11", "tags": [ "mailing-list", "x_refsource_BUGTRAQ", "x_transferred" ], "url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html" }, { "name": "8325", "tags": [ "third-party-advisory", "x_refsource_SREASON", "x_transferred" ], "url": "http://securityreason.com/securityalert/8325" }, { "name": "1025833", "tags": [ "vdb-entry", "x_refsource_SECTRACK", "x_transferred" ], "url": "http://securitytracker.com/id?1025833" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815" }, { "name": "[oss-security] 20110720 Re: CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2011-07-15T00:00:00", "descriptions": [ { "lang": "en", "value": "The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2018-10-09T18:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "name": "48880", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/48880" }, { "name": 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"https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html" }, { "name": "8325", "tags": [ "third-party-advisory", "x_refsource_SREASON" ], "url": "http://securityreason.com/securityalert/8325" }, { "name": "1025833", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://securitytracker.com/id?1025833" }, { "tags": [ "x_refsource_MISC" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815" }, { "name": "[oss-security] 20110720 Re: CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2011-2701", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "48880", "refsource": "BID", "url": "http://www.securityfocus.com/bid/48880" }, { "name": "freeradius-certificate-security-bypass(68782)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782" }, { "name": "[oss-security] 20110715 CVE request: vulnerability in FreeRADIUS (OCSP)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/07/15/6" }, { "name": "[oss-security] 20110718 Re: CVE request: vulnerability in FreeRADIUS 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"refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9" } ] } } } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2701", "datePublished": "2011-08-04T01:00:00", "dateReserved": "2011-07-11T00:00:00", "dateUpdated": "2024-08-06T23:08:23.745Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2011-2701\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-08-04T02:45:32.297\",\"lastModified\":\"2024-11-21T01:28:47.547\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n ocsp_check de rlm_eap_tls.c de FreeRADIUS 2.1.11, si OCSP est\u00e1 habilitado, no analiza correctamente la sintaxis (\\\"parse\\\") de las respuestas de los agentes transmisores OCSP, lo que permite a atacantes remotos evitar la autenticaci\u00f3n usando el protocolo EAP-TLS con un certificado cliente X.509 revocado.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"baseScore\":5.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"908DA549-0EE5-4B85-961F-1C67210F6AED\"}]}]}],\"references\":[{\"url\":\"http://secunia.com/advisories/45425\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor 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} }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.