cve-2018-0495
Vulnerability from cvelistv5
Published
2018-06-13 23:00
Modified
2024-08-05 03:28
Severity ?
Summary
Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, 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.
References
security@debian.orghttp://www.securitytracker.com/id/1041144Third Party Advisory, VDB Entry
security@debian.orghttp://www.securitytracker.com/id/1041147Third Party Advisory, VDB Entry
security@debian.orghttps://access.redhat.com/errata/RHSA-2018:3221Third Party Advisory
security@debian.orghttps://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
security@debian.orghttps://access.redhat.com/errata/RHSA-2019:1296
security@debian.orghttps://access.redhat.com/errata/RHSA-2019:1297
security@debian.orghttps://access.redhat.com/errata/RHSA-2019:1543
security@debian.orghttps://access.redhat.com/errata/RHSA-2019:2237
security@debian.orghttps://dev.gnupg.org/T4011Patch, Vendor Advisory
security@debian.orghttps://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965
security@debian.orghttps://lists.debian.org/debian-lts-announce/2018/06/msg00013.htmlMailing List, Third Party Advisory
security@debian.orghttps://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.htmlVendor Advisory
security@debian.orghttps://usn.ubuntu.com/3689-1/Third Party Advisory
security@debian.orghttps://usn.ubuntu.com/3689-2/Third Party Advisory
security@debian.orghttps://usn.ubuntu.com/3692-1/Third Party Advisory
security@debian.orghttps://usn.ubuntu.com/3692-2/Third Party Advisory
security@debian.orghttps://usn.ubuntu.com/3850-1/Third Party Advisory
security@debian.orghttps://usn.ubuntu.com/3850-2/Third Party Advisory
security@debian.orghttps://www.debian.org/security/2018/dsa-4231Third Party Advisory
security@debian.orghttps://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/Exploit, Third Party Advisory
security@debian.orghttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041144Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041147Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3221Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1296
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1297
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1543
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2237
af854a3a-2127-422b-91ae-364da2661108https://dev.gnupg.org/T4011Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/06/msg00013.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3689-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3689-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3692-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3692-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3850-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3850-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4231Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2018-0495\",\"sourceIdentifier\":\"security@debian.org\",\"published\":\"2018-06-13T23:29:00.333\",\"lastModified\":\"2024-11-21T03:38:21.160\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, 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.\"},{\"lang\":\"es\",\"value\":\"Libgcrypt en versiones anteriores a la 1.7.10 y versiones 1.8.x anteriores a la 1.8.3 permite un ataque de canal lateral por cach\u00e9 de memoria en las firmas ECDSA que se puede mitigar mediante el uso de la ocultaci\u00f3n durante el proceso de firmado en la funci\u00f3n _gcry_ecc_ecdsa_sign en cipher/ecc-ecdsa.c. Esto tambi\u00e9n se conoce como Return Of the Hidden Number Problem o ROHNP. Para descubrir una clave ECDSA, el atacante necesita acceso a la m\u00e1quina local o a una m\u00e1quina virtual diferente en el mismo host f\u00edsico.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":1.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.4,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.7.10\",\"matchCriteriaId\":\"CC274575-E019-42DC-9376-52BC58A098AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.8.0\",\"versionEndExcluding\":\"1.8.3\",\"matchCriteriaId\":\"FCDC1BBF-AFA1-43B2-8318-E97B74B7F6C5\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"8D305F7A-D159-4716-AB26-5E38BB5CD991\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9070C9D8-A14A-467F-8253-33B966C16886\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07C312A0-CD2C-4B9C-B064-6409B25C278F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5319543-0143-4E2E-AA77-B7F116C1336C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"33C068A4-3780-4EAB-A937-6082DF847564\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"51EF4996-72F4-4FA4-814F-F5991E7A8318\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"825ECE2D-E232-46E0-A047-074B34DB1E97\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:traffic_director:11.1.1.9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EB3B106-0E2D-4363-B768-4AC84F568F2A\"}]}]}],\"references\":[{\"url\":\"http://www.securitytracker.com/id/1041144\",\"source\":\"security@debian.org\",\"tags\":[\"Third 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  }
}


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