CVE-2021-23017

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html", "name": "http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.f5.com/csp/article/K12331123,", "name": "https://support.f5.com/csp/article/K12331123,", "tags": ["Broken Link"], "refsource": "MISC"}, {"url": "https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E", "name": "[apisix-notifications] 20210607 [GitHub] [apisix-website] Serendipity96 opened a new pull request #362: feat: add new blog", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E", "name": "[apisix-notifications] 20210608 [GitHub] [apisix-website] netlify[bot] edited a comment on pull request #362: docs: added \"Apache APISIX not affected by NGINX CVE-2021-23017\"", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E", "name": "[apisix-notifications] 20210608 [GitHub] [apisix-website] liuxiran commented on a change in pull request #362: docs: added \"Apache APISIX not affected by NGINX CVE-2021-23017\"", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E", "name": "[apisix-notifications] 20210608 [apisix-website] branch master updated: docs: added \"Apache APISIX not affected by NGINX CVE-2021-23017\" (#362)", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E", "name": "[apisix-notifications] 20210608 [GitHub] [apisix-website] liuxiran merged pull request #362: docs: added \"Apache APISIX not affected by NGINX CVE-2021-23017\"", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/", "name": "FEDORA-2021-393d698493", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/", "name": "FEDORA-2021-b37cffac0d", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://security.netapp.com/advisory/ntap-20210708-0006/", "name": "https://security.netapp.com/advisory/ntap-20210708-0006/", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "name": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.oracle.com/security-alerts/cpujan2022.html", "name": "https://www.oracle.com/security-alerts/cpujan2022.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html", "name": "http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-193"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-23017", "ASSIGNER": "f5sirt@f5.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 2.2}}, "publishedDate": "2021-06-01T13:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.20.1", "versionStartIncluding": "0.6.18"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:openresty:openresty:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.19.3.2"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": 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