{"id":"CVE-2015-1853","state":"PUBLISHED","title":"chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a d","description":"chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.","publishedAt":"2019-12-09T18:53:22.000Z","updatedAt":"2024-08-06T04:54:16.335Z","severity":null,"assigner":"redhat","products":["chrony chrony"],"affected":[{"vendor":"chrony","product":"chrony","versions":[{"version":"before 1.31.1","status":"affected"}]}],"references":["https://security.gentoo.org/glsa/201507-01","http://chrony.tuxfamily.org/News.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:41:58.179Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2015/1xxx/CVE-2015-1853.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2015-1853","state":"PUBLISHED","datePublished":"2019-12-09T18:53:22.000Z","dateUpdated":"2024-08-06T04:54:16.335Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2015-02-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets."}],"affected":[{"vendor":"chrony","product":"chrony","versions":[{"version":"before 1.31.1","status":"affected"}]}],"references":[{"url":"https://security.gentoo.org/glsa/201507-01","tags":["x_refsource_MISC"]},{"url":"http://chrony.tuxfamily.org/News.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Other","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2019-12-09T18:53:22.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2015-04-07T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.gentoo.org/glsa/201507-01","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://chrony.tuxfamily.org/News.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T04:54:16.335Z"}}]}}}