{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2013-12-17T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2015-07-16T05:57:02.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://curl.haxx.se/docs/adv_20131217.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "HPSBMU03112", "tags": ["vendor-advisory", "x_refsource_HP"], "url": "https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322"}, {"name": "DSA-2824", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2013/dsa-2824"}, {"name": "USN-2058-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2058-1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2013-6422", "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 GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://curl.haxx.se/docs/adv_20131217.html", "refsource": "CONFIRM", "url": "http://curl.haxx.se/docs/adv_20131217.html"}, {"name": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "HPSBMU03112", "refsource": "HP", "url": "https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322"}, {"name": "DSA-2824", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2013/dsa-2824"}, {"name": "USN-2058-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2058-1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T17:39:01.250Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://curl.haxx.se/docs/adv_20131217.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "HPSBMU03112", "tags": ["vendor-advisory", "x_refsource_HP", "x_transferred"], "url": "https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322"}, {"name": "DSA-2824", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2013/dsa-2824"}, {"name": "USN-2058-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2058-1"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2013-6422", "datePublished": "2013-12-23T22:00:00.000Z", "dateReserved": "2013-11-04T00:00:00.000Z", "dateUpdated": "2024-08-06T17:39:01.250Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*", "matchCriteriaId": "F5D324C4-97C7-49D3-A809-9EAD4B690C69", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*", "matchCriteriaId": "E2076871-2E80-4605-A470-A41C1A8EC7EE", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*", "matchCriteriaId": "EFAA48D9-BEB4-4E49-AD50-325C262D46D9", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*", "matchCriteriaId": "7F61F047-129C-41A6-8A27-FFCBB8563E91", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:haxx:libcurl:7.21.4:*:*:*:*:*:*:*", "matchCriteriaId": "9EAE25A0-3828-46F1-AB30-88732CBC9F38", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.21.5:*:*:*:*:*:*:*", "matchCriteriaId": "1533A85C-2160-445D-8787-E624AEDC5A0C", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.21.6:*:*:*:*:*:*:*", "matchCriteriaId": "D87B9393-7EA4-43DA-900C-7E840AE2D4C2", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.21.7:*:*:*:*:*:*:*", "matchCriteriaId": "7D1249E9-304F-4952-8DAB-8B79CE5E7D54", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.22.0:*:*:*:*:*:*:*", "matchCriteriaId": "83FAF953-6A65-4FAB-BDB5-03B468CD1C9A", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.23.0:*:*:*:*:*:*:*", "matchCriteriaId": "29F8FF1F-A639-4161-9366-62528AAF4C07", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.23.1:*:*:*:*:*:*:*", "matchCriteriaId": "812AB429-379A-4EDE-9664-5BC2989053F6", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.24.0:*:*:*:*:*:*:*", "matchCriteriaId": "13DD791F-C4BD-4456-955A-92E84082AA09", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.25.0:*:*:*:*:*:*:*", "matchCriteriaId": "4A17E442-45AA-4780-98B4-9BF764DCC1C5", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.26.0:*:*:*:*:*:*:*", "matchCriteriaId": "F6AF544C-5F16-4434-B9FB-93B1B7318950", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:*", "matchCriteriaId": "CBFD9ED9-2412-44AE-9C55-0ED03A121B23", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:*", "matchCriteriaId": "67CCE31B-ABDA-4F32-BAF1-B1AD0664B3E2", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:*", "matchCriteriaId": "9E66A332-ECD1-4452-B444-FB629022FDF0", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.29.0:*:*:*:*:*:*:*", "matchCriteriaId": "CDD3D599-35E9-4590-B5E0-3AF04D344695", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.30.0:*:*:*:*:*:*:*", "matchCriteriaId": "A3B6BFFB-7967-482C-9B49-4BD25C815299", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.31.0:*:*:*:*:*:*:*", "matchCriteriaId": "1791BF6D-2C96-4A6E-90D4-2906A73601F6", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.32.0:*:*:*:*:*:*:*", "matchCriteriaId": "260DD751-4145-4B75-B892-5FC932C6A305", "vulnerable": true}, {"criteria": "cpe:2.3:a:haxx:libcurl:7.33.0:*:*:*:*:*:*:*", "matchCriteriaId": "EFF4AD0D-2EC5-4CE8-B6B3-2EC8ED2FF118", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks."}, {"lang": "es", "value": "El backend de GnuTLS en libcurl 7.21.4 a 7.33.0, cuando se desactiva la verificaci\u00f3n de firmas digitales (CURLOPT_SSL_VERIFYPEER), tambi\u00e9n desactiva la comprobaci\u00f3n CURLOPT_SSL_VERIFYHOST para nombres de host CN o SAN, lo cual facilita a atacantes remotos la suplantaci\u00f3n de servidores y la ejecuci\u00f3n de ataques man-in-the-middle (MITM)."}], "id": "CVE-2013-6422", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-12-23T22:55:02.943", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://curl.haxx.se/docs/adv_20131217.html"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2013/dsa-2824"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-2058-1"}, {"source": "secalert@redhat.com", "url": "https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://curl.haxx.se/docs/adv_20131217.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2013/dsa-2824"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2058-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank cURL project for reporting this issue. Upstream acknowledges Marc Deslauriers as the original reporter.", "bugzilla": {"description": "curl: TLS/SSL certificate name check disabled with peer verification when using GnuTLS", "id": "1037918", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1037918"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "status": "draft"}, "details": ["The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks."], "name": "CVE-2013-6422", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-12-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-6422\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-6422\nhttp://curl.haxx.se/docs/adv_20131217.html"], "statement": "Not vulnerable. This issue did not affect the versions of curl as shipped with Red Hat Enterprise Linux 5 and 6.", "threat_severity": "Low"}

{}