2 lines
5.6 KiB
JSON
2 lines
5.6 KiB
JSON
{"affected":[{"affectedData":[{"product":"GnuTLS","vendor":"n/a","versions":[{"status":"affected","version":"Fixed in gnutls v3.7.3"}]}],"source":"secalert@redhat.com"},{"affectedData":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]}],"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*","matchCriteriaId":"D7F5A2FE-408A-4E36-BC95-40E502C06682","versionEndExcluding":"3.7.3","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*","matchCriteriaId":"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5","vulnerable":true},{"criteria":"cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*","matchCriteriaId":"D6D700C5-F67F-4FFB-BE69-D524592A3D2E","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*","matchCriteriaId":"84574629-EB00-4235-8962-45070F3C9F6A","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*","matchCriteriaId":"AD7447BC-F315-4298-A822-549942FC118B","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"}],"cveTags":[],"descriptions":[{"lang":"en","value":"A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances."},{"lang":"es","value":"Se ha encontrado un fallo de desreferencia de puntero NULL en GnuTLS. Como las funciones de actualización de hash de Nettle llaman internamente a memcpy, proporcionar una entrada de longitud cero puede causar un comportamiento indefinido. Este fallo conlleva a una denegación de servicio tras la autenticación en raras circunstancias."}],"id":"CVE-2021-4209","lastModified":"2026-10-14T11:16:55.207","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2022-08-24T16:15:09.927","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2021-4209"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044156"},{"source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/issues/1306"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/merge_requests/1503"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20220915-0005/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2021-4209"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044156"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/issues/1306"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://gitlab.com/gnutls/gnutls/-/merge_requests/1503"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20220915-0005/"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-476"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-476"}],"source":"nvd@nist.gov","type":"Primary"}]}
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