{"id":"CVE-2018-18068","state":"PUBLISHED","title":"The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARM","description":"The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3.","publishedAt":"2019-04-04T19:13:46.000Z","updatedAt":"2024-08-05T11:01:14.911Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv","http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:30.448Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/18xxx/CVE-2018-18068.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-18068","state":"PUBLISHED","datePublished":"2019-04-04T19:13:46.000Z","dateUpdated":"2024-08-05T11:01:14.911Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-10-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv","tags":["x_refsource_MISC"]},{"url":"http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2019-04-04T19:13:46.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2019-01-28T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-18068","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv","refsource":"MISC","url":"https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv"},{"name":"http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf","refsource":"MISC","url":"http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T11:01:14.911Z"}}]}}}