{"id":"CVE-2018-12436","state":"PUBLISHED","title":"wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover ","description":"wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.","publishedAt":"2018-06-15T02:00:00.000Z","updatedAt":"2024-09-17T00:51:14.309Z","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.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/","https://www.wolfssl.com/wolfssh-and-rohnp/","https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:15.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/12xxx/CVE-2018-12436.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-12436","state":"PUBLISHED","datePublished":"2018-06-15T02:00:00.000Z","dateUpdated":"2024-09-17T00:51:14.309Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-06-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/","tags":["x_refsource_MISC"]},{"url":"https://www.wolfssl.com/wolfssh-and-rohnp/","tags":["x_refsource_MISC"]},{"url":"https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2018-06-15T02:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-12436","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":"wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/","refsource":"MISC","url":"https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/"},{"name":"https://www.wolfssl.com/wolfssh-and-rohnp/","refsource":"MISC","url":"https://www.wolfssl.com/wolfssh-and-rohnp/"},{"name":"https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca","refsource":"MISC","url":"https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.wolfssl.com/wolfssh-and-rohnp/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T08:38:05.917Z"}}]}}}