{"id":"CVE-2022-24403","state":"PUBLISHED","title":"De-anonymization attack in TETRA","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","publishedAt":"2023-12-05T13:54:32.045Z","updatedAt":"2024-08-03T04:13:55.262Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N","source":"NCSC-NL"},"assigner":"NCSC-NL","products":["ETSI TETRA Standard"],"affected":[{"vendor":"ETSI","product":"TETRA Standard","versions":[{"version":"TA61","status":"affected"}]}],"references":["https://tetraburst.com/"],"weaknesses":["CWE-327"],"ingestedAt":"2026-10-29T19:49:43.915Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/24xxx/CVE-2022-24403.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-24403","state":"PUBLISHED","datePublished":"2023-12-05T13:54:32.045Z","dateUpdated":"2024-08-03T04:13:55.262Z","assignerShortName":"NCSC-NL","assignerOrgId":"cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39","dateReserved":"2022-02-04T04:43:09.527Z"},"containers":{"cna":{"title":"De-anonymization attack in TETRA","descriptions":[{"lang":"en","value":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs."}],"affected":[{"vendor":"ETSI","product":"TETRA Standard","versions":[{"version":"TA61","status":"affected"}]}],"references":[{"url":"https://tetraburst.com/","name":"TETRA:BURST","tags":["related"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-327","lang":"en","description":"Use of a Broken or Risky Cryptographic Algorithm","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC-NL","orgId":"cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39","dateUpdated":"2024-07-15T00:27:54.327Z"},"credits":[{"lang":"en","value":"Midnight Blue","type":"finder"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://tetraburst.com/","name":"TETRA:BURST","tags":["related","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T04:13:55.262Z"}}]}}}