{"id":"CVE-2023-32067","state":"PUBLISHED","title":"0-byte UDP payload DoS in c-ares","description":"c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. 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If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1."}],"affected":[{"vendor":"c-ares","product":"c-ares","versions":[{"version":"< 1.19.1","status":"affected"}]}],"references":[{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-9g78-jv2r-p7vc","name":"https://github.com/c-ares/c-ares/security/advisories/GHSA-9g78-jv2r-p7vc","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1","name":"https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1","tags":["x_refsource_MISC"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/"},{"url":"https://www.debian.org/security/2023/dsa-5419"},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00034.html"},{"url":"https://security.gentoo.org/glsa/202310-09"},{"url":"https://security.netapp.com/advisory/ntap-20240605-0004/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-06-10T18:07:51.331Z"},"source":{"advisory":"GHSA-9g78-jv2r-p7vc","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"fedoraproject","product":"fedora","defaultStatus":"unknown","versions":[{"version":"37","status":"affected"}],"cpes":["cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*"]},{"vendor":"c-ares","product":"c-ares","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"1.19.1","versionType":"custom"}],"cpes":["cpe:2.3:a:c-ares:c-ares:*:*:*:*:*:*:*:*"]},{"vendor":"fedoraproject","product":"fedora","defaultStatus":"unknown","versions":[{"version":"38","status":"affected"}],"cpes":["cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*"]},{"vendor":"debian","product":"debian_linux","defaultStatus":"unknown","versions":[{"version":"10.0","status":"affected"},{"version":"11.0","status":"affected"}],"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-16T18:37:41.012008Z","id":"CVE-2023-32067","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-16T18:42:36.162Z"}},{"title":"CVE Program Container","references":[{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-9g78-jv2r-p7vc","name":"https://github.com/c-ares/c-ares/security/advisories/GHSA-9g78-jv2r-p7vc","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1","name":"https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5419","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00034.html","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202310-09","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240605-0004/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T15:03:28.668Z"}}]}}}