{"id":"CVE-2023-24822","state":"PUBLISHED","title":"RIOT-OS vulnerable to Null Pointer dereference during IPHC encoding","description":"RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2022.10, an attacker can send a crafted frame to the device resulting in a NULL pointer dereference while encoding a 6LoWPAN IPHC header. The NULL pointer dereference causes a hard fault exception, leading to denial of service. Version 2022.10 fixes this issue. As a workaround, apply the patches manually.","publishedAt":"2023-04-24T15:24:26.836Z","updatedAt":"2025-02-04T18:56:00.229Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["RIOT-OS RIOT"],"affected":[{"vendor":"RIOT-OS","product":"RIOT","versions":[{"version":"< 2022.10","status":"affected"}]}],"references":["https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-8x69-5fhj-72wh","https://github.com/RIOT-OS/RIOT/pull/18817/commits/639c04325de4ceb9d444955f4927bfae95843a39","https://github.com/RIOT-OS/RIOT/pull/18820/commits/7253e261556f252816f4a3b7c4f96fc10d642485"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/24xxx/CVE-2023-24822.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-24822","state":"PUBLISHED","datePublished":"2023-04-24T15:24:26.836Z","dateUpdated":"2025-02-04T18:56:00.229Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-01-30T14:43:33.705Z"},"containers":{"cna":{"title":"RIOT-OS vulnerable to Null Pointer dereference during IPHC encoding","descriptions":[{"lang":"en","value":"RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2022.10, an attacker can send a crafted frame to the device resulting in a NULL pointer dereference while encoding a 6LoWPAN IPHC header. The NULL pointer dereference causes a hard fault exception, leading to denial of service. Version 2022.10 fixes this issue. 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