{"id":"CVE-2023-30546","state":"PUBLISHED","title":"Contiki-NG has off-by-one error in Antelope DBMS","description":"Contiki-NG is an operating system for Internet of Things devices. An off-by-one error can be triggered in the Antelope database management system in the Contiki-NG operating system in versions 4.8 and prior. The problem exists in the Contiki File System (CFS) backend for the storage of data (file os/storage/antelope/storage-cfs.c). In the functions `storage_get_index` and `storage_put_index`, a buffer for merging two strings is allocated with one byte less than the maximum size of the merged strings, causing subsequent function calls to the cfs_open function to read from memory beyond the buffer size. The vulnerability has been patched in the \"develop\" branch of Contiki-NG, and is expected to be included in the next release. As a workaround, the problem can be fixed by applying the patch in Contiki-NG pull request #2425.","publishedAt":"2023-04-26T18:14:46.436Z","updatedAt":"2025-01-30T21:31:28.154Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["contiki-ng contiki-ng"],"affected":[{"vendor":"contiki-ng","product":"contiki-ng","versions":[{"version":"<= 4.8","status":"affected"}]}],"references":["https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-257g-w39m-5jj4","https://github.com/contiki-ng/contiki-ng/pull/2425"],"weaknesses":["CWE-125","CWE-193"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/30xxx/CVE-2023-30546.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-30546","state":"PUBLISHED","datePublished":"2023-04-26T18:14:46.436Z","dateUpdated":"2025-01-30T21:31:28.154Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-04-12T15:19:33.767Z"},"containers":{"cna":{"title":"Contiki-NG has off-by-one error in Antelope DBMS","descriptions":[{"lang":"en","value":"Contiki-NG is an operating system for Internet of Things devices. An off-by-one error can be triggered in the Antelope database management system in the Contiki-NG operating system in versions 4.8 and prior. The problem exists in the Contiki File System (CFS) backend for the storage of data (file os/storage/antelope/storage-cfs.c). In the functions `storage_get_index` and `storage_put_index`, a buffer for merging two strings is allocated with one byte less than the maximum size of the merged strings, causing subsequent function calls to the cfs_open function to read from memory beyond the buffer size. The vulnerability has been patched in the \"develop\" branch of Contiki-NG, and is expected to be included in the next release. As a workaround, the problem can be fixed by applying the patch in Contiki-NG pull request #2425."}],"affected":[{"vendor":"contiki-ng","product":"contiki-ng","versions":[{"version":"<= 4.8","status":"affected"}]}],"references":[{"url":"https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-257g-w39m-5jj4","name":"https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-257g-w39m-5jj4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/contiki-ng/contiki-ng/pull/2425","name":"https://github.com/contiki-ng/contiki-ng/pull/2425","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-193","lang":"en","description":"CWE-193: Off-by-one Error","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-04-26T18:14:46.436Z"},"source":{"advisory":"GHSA-257g-w39m-5jj4","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-257g-w39m-5jj4","name":"https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-257g-w39m-5jj4","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/contiki-ng/contiki-ng/pull/2425","name":"https://github.com/contiki-ng/contiki-ng/pull/2425","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T14:28:51.792Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-30T21:31:24.927916Z","id":"CVE-2023-30546","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-01-30T21:31:28.154Z"}}]}}}