{"containers": {"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": "freeradius-certificate-security-bypass(68782)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"}, {"name": "[oss-security] 20110715 CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"}, {"name": "[oss-security] 20110718 Re: CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"}, {"name": "45425", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/45425"}, {"name": "20110725 [DSB-2011-01] Security Advisory FreeRADIUS 2.1.11", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"}, {"tags": ["x_refsource_MISC"], "url": "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 (OCSP)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"}, {"name": "45425", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/45425"}, {"name": "20110725 [DSB-2011-01] Security Advisory FreeRADIUS 2.1.11", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"}, {"name": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html", "refsource": "MISC", "url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html"}, {"name": "8325", "refsource": "SREASON", "url": "http://securityreason.com/securityalert/8325"}, {"name": "1025833", "refsource": "SECTRACK", "url": "http://securitytracker.com/id?1025833"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=724815", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"}, {"name": "[oss-security] 20110720 Re: CVE request: vulnerability in FreeRADIUS (OCSP)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:08:23.745Z"}, "title": "CVE Program Container", "references": [{"name": "48880", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/48880"}, {"name": "freeradius-certificate-security-bypass(68782)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"}, {"name": "[oss-security] 20110715 CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"}, {"name": "[oss-security] 20110718 Re: CVE request: vulnerability in FreeRADIUS (OCSP)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"}, {"name": "45425", "tags": ["third-party-advisory", "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"}]}]}, "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"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:*", "matchCriteriaId": "908DA549-0EE5-4B85-961F-1C67210F6AED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2011-2701", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-04T02:45:32.297", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45425"}, {"source": "secalert@redhat.com", "url": "http://securityreason.com/securityalert/8325"}, {"source": "secalert@redhat.com", "url": "http://securitytracker.com/id?1025833"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/48880"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"}, {"source": "secalert@redhat.com", "url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45425"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securityreason.com/securityalert/8325"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1025833"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/20/9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/48880"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "freeradius: OCSP does not verify status of certificates", "id": "724815", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "status": "draft"}, "details": ["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."], "name": "CVE-2011-2701", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "freeradius", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "freeradius", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "freeradius2", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "freeradius", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-07-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2701\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2701"], "statement": "Not vulnerable. This issue did not affect the versions of freeradius as shipped with Red Hat Enterprise Linux 4, 5, or 6.", "threat_severity": "Moderate"}