{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2018-03-24T00:00:00.000Z","descriptions":[{"lang":"en","value":"The int_x509_param_set_hosts function in lib/libcrypto/x509/x509_vpm.c in LibreSSL 2.7.0 before 2.7.1 does not support a certain special case of a zero name length, which causes silent omission of hostname verification, and consequently allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. NOTE: the LibreSSL documentation indicates that this special case is supported, but the BoringSSL documentation does not."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-03-24T21:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://github.com/libressl-portable/openbsd/commit/0654414afcce51a16d35d05060190a3ec4618d42"},{"tags":["x_refsource_MISC"],"url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.7.1-relnotes.txt"},{"tags":["x_refsource_MISC"],"url":"https://boringssl.googlesource.com/boringssl/+/e759a9cd84198613199259dbed401f4951747cff"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-8970","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 int_x509_param_set_hosts function in lib/libcrypto/x509/x509_vpm.c in LibreSSL 2.7.0 before 2.7.1 does not support a certain special case of a zero name length, which causes silent omission of hostname verification, and consequently allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. NOTE: the LibreSSL documentation indicates that this special case is supported, but the BoringSSL documentation does not."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/libressl-portable/openbsd/commit/0654414afcce51a16d35d05060190a3ec4618d42","refsource":"MISC","url":"https://github.com/libressl-portable/openbsd/commit/0654414afcce51a16d35d05060190a3ec4618d42"},{"name":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.7.1-relnotes.txt","refsource":"MISC","url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.7.1-relnotes.txt"},{"name":"https://boringssl.googlesource.com/boringssl/+/e759a9cd84198613199259dbed401f4951747cff","refsource":"MISC","url":"https://boringssl.googlesource.com/boringssl/+/e759a9cd84198613199259dbed401f4951747cff"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-05T07:10:47.345Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/libressl-portable/openbsd/commit/0654414afcce51a16d35d05060190a3ec4618d42"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.7.1-relnotes.txt"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://boringssl.googlesource.com/boringssl/+/e759a9cd84198613199259dbed401f4951747cff"}]}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2018-8970","datePublished":"2018-03-24T21:00:00.000Z","dateReserved":"2018-03-24T00:00:00.000Z","dateUpdated":"2024-08-05T07:10:47.345Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}