{"id":"CVE-2023-0217","state":"PUBLISHED","title":"NULL dereference validating DSA public key","description":"An invalid pointer dereference on read can be triggered when an\napplication tries to check a malformed DSA public key by the\nEVP_PKEY_public_check() function. This will most likely lead\nto an application crash. This function can be called on public\nkeys supplied from untrusted sources which could allow an attacker\nto cause a denial of service attack.\n\nThe TLS implementation in OpenSSL does not call this function\nbut applications might call the function if there are additional\nsecurity requirements imposed by standards such as FIPS 140-3.","publishedAt":"2023-02-08T19:02:48.524Z","updatedAt":"2025-11-04T19:14:35.179Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"openssl","products":["OpenSSL OpenSSL"],"affected":[{"vendor":"OpenSSL","product":"OpenSSL","defaultStatus":"unaffected","versions":[{"version":"3.0.0","status":"affected","lessThan":"3.0.8","versionType":"semver"}]}],"references":["https://www.openssl.org/news/secadv/20230207.txt","https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096","https://security.gentoo.org/glsa/202402-08","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0003"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/0xxx/CVE-2023-0217.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-0217","state":"PUBLISHED","datePublished":"2023-02-08T19:02:48.524Z","dateUpdated":"2025-11-04T19:14:35.179Z","assignerShortName":"openssl","assignerOrgId":"3a12439a-ef3a-4c79-92e6-6081a721f1e5","dateReserved":"2023-01-11T12:02:46.441Z"},"containers":{"cna":{"title":"NULL dereference validating DSA public key","descriptions":[{"lang":"en","value":"An invalid pointer dereference on read can be triggered when an\napplication tries to check a malformed DSA public key by the\nEVP_PKEY_public_check() function. This will most likely lead\nto an application crash. This function can be called on public\nkeys supplied from untrusted sources which could allow an attacker\nto cause a denial of service attack.\n\nThe TLS implementation in OpenSSL does not call this function\nbut applications might call the function if there are additional\nsecurity requirements imposed by standards such as FIPS 140-3."}],"affected":[{"vendor":"OpenSSL","product":"OpenSSL","defaultStatus":"unaffected","versions":[{"version":"3.0.0","status":"affected","lessThan":"3.0.8","versionType":"semver"}]}],"references":[{"url":"https://www.openssl.org/news/secadv/20230207.txt","name":"OpenSSL Advisory","tags":["vendor-advisory"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096","name":"3.0.8 git commit","tags":["patch"]},{"url":"https://security.gentoo.org/glsa/202402-08"}],"metrics":[{"format":"other","other":{"content":{"text":"Moderate"},"type":"https://www.openssl.org/policies/secpolicy.html"}}],"problemTypes":[{"descriptions":[{"description":"invalid pointer dereference","lang":"en"}]}],"providerMetadata":{"shortName":"openssl","orgId":"3a12439a-ef3a-4c79-92e6-6081a721f1e5","dateUpdated":"2024-02-04T09:06:43.251Z"},"credits":[{"lang":"en","type":"reporter","user":"00000000-0000-4000-9000-000000000000","value":"Kurt Roeckx"},{"lang":"en","type":"remediation developer","user":"00000000-0000-4000-9000-000000000000","value":"Shane Lontis from Oracle"}],"datePublic":"2023-02-07T00:00:00.000Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.openssl.org/news/secadv/20230207.txt","name":"OpenSSL Advisory","tags":["vendor-advisory","x_transferred"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096","name":"3.0.8 git commit","tags":["patch","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202402-08","tags":["x_transferred"]},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0003"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T19:14:35.179Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-04-23T13:26:50.208671Z","id":"CVE-2023-0217","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-05T16:09:30.988Z"}}]}}}