{"id":"CVE-2022-34294","aliases":["EUVD-2022-37254","GHSA-ww2h-pppm-353g"],"status":"published","title":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows...","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01902,"percentile":0.79844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-331","CWE-74"],"published":"2022-08-15T11:53:52Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"totd_project","product":"totd"}],"references":[{"url":"https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory","web"]},{"url":"https://github.com/fwdillema/totd","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","package"]},{"url":"https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://www.openwall.com/lists/oss-security/2022/08/14/2","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-34294","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-ww2h-pppm-353g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/34xxx/CVE-2022-34294.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-34294","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","status":"published","published":"2022-08-15T11:53:52Z","modified":"2024-08-03T09:07:16.04Z","updated_at":"2026-11-02T14:34:42.354707Z"}],"euvd":[{"id":"EUVD-2022-37254","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","status":"published","published":"2022-08-15T11:53:52Z","modified":"2024-08-03T09:07:16Z","updated_at":"2026-11-03T03:25:29.025225Z"}],"ghsa":[{"id":"GHSA-ww2h-pppm-353g","title":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows...","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","status":"published","published":"2022-08-16T00:00:31Z","modified":"2023-01-29T05:05:44Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:45:51.862752Z"}],"nvd":[{"id":"CVE-2022-34294","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","status":"published","published":"2022-08-15T12:15:19.963Z","modified":"2026-06-17T04:50:03.74Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:07:25.242752Z"}],"osv":[{"id":"CVE-2022-34294","description":"totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.","status":"published","published":"2022-08-15T11:53:52Z","modified":"2026-10-28T02:30:30.817202568Z","updated_at":"2026-11-02T15:44:25.860945Z"}]}}