{"containers":{"cna":{"affected":[{"product":"ntpsec","vendor":"NTPsec","versions":[{"status":"affected","version":"=1.2.0"}]}],"credits":[{"lang":"en","value":"Maciej Zenczykowski"}],"descriptions":[{"lang":"en","value":"ntpkeygen can generate keys that ntpd fails to parse. NTPsec 1.2.0 allows ntpkeygen to generate keys with '#' characters. ntpd then either pads, shortens the key, or fails to load these keys entirely, depending on the key type and the placement of the '#'. This results in the administrator not being able to use the keys as expected or the keys are shorter than expected and easier to brute-force, possibly resulting in MITM attacks between ntp clients and ntp servers. For short AES128 keys, ntpd generates a warning that it is padding them."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Improper filtering of special elements in ntpsec","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-06-26T02:06:11.000Z","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab"},"references":[{"tags":["x_refsource_MISC"],"url":"https://gitlab.com/NTPsec/ntpsec/-/issues/699"},{"tags":["x_refsource_MISC"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1955859"},{"tags":["x_refsource_CONFIRM"],"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22212.json"},{"name":"FEDORA-2021-3ffc890685","tags":["vendor-advisory","x_refsource_FEDORA"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GIT2HYL5BQXPGKI6ZDNG473IEQ5WQF2/"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@gitlab.com","ID":"CVE-2021-22212","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"ntpsec","version":{"version_data":[{"version_value":"=1.2.0"}]}}]},"vendor_name":"NTPsec"}]}},"credit":[{"lang":"eng","value":"Maciej Zenczykowski"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"ntpkeygen can generate keys that ntpd fails to parse. NTPsec 1.2.0 allows ntpkeygen to generate keys with '#' characters. ntpd then either pads, shortens the key, or fails to load these keys entirely, depending on the key type and the placement of the '#'. This results in the administrator not being able to use the keys as expected or the keys are shorter than expected and easier to brute-force, possibly resulting in MITM attacks between ntp clients and ntp servers. For short AES128 keys, ntpd generates a warning that it is padding them."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper filtering of special elements in ntpsec"}]}]},"references":{"reference_data":[{"name":"https://gitlab.com/NTPsec/ntpsec/-/issues/699","refsource":"MISC","url":"https://gitlab.com/NTPsec/ntpsec/-/issues/699"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1955859","refsource":"MISC","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1955859"},{"name":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22212.json","refsource":"CONFIRM","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22212.json"},{"name":"FEDORA-2021-3ffc890685","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GIT2HYL5BQXPGKI6ZDNG473IEQ5WQF2/"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T18:37:18.446Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://gitlab.com/NTPsec/ntpsec/-/issues/699"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1955859"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22212.json"},{"name":"FEDORA-2021-3ffc890685","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GIT2HYL5BQXPGKI6ZDNG473IEQ5WQF2/"}]}]},"cveMetadata":{"assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","assignerShortName":"GitLab","cveId":"CVE-2021-22212","datePublished":"2021-06-08T12:07:02.000Z","dateReserved":"2021-01-05T00:00:00.000Z","dateUpdated":"2024-08-03T18:37:18.446Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}