CVE-2018-0495

{"id": "CVE-2018-0495", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 1.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2018-06-13T23:29:00.333", "references": [{"url": "http://www.securitytracker.com/id/1041144", "tags": ["Third Party Advisory", "VDB Entry"], "source": "security@debian.org"}, {"url": "http://www.securitytracker.com/id/1041147", "tags": ["Third Party Advisory", "VDB Entry"], "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3221", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3505", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1296", "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1297", "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1543", "source": "security@debian.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2237", "source": "security@debian.org"}, {"url": "https://dev.gnupg.org/T4011", "tags": ["Patch", "Vendor Advisory"], "source": "security@debian.org"}, {"url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965", "source": "security@debian.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00013.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html", "tags": ["Vendor Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3689-1/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3689-2/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3692-1/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3692-2/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3850-1/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://usn.ubuntu.com/3850-2/", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://www.debian.org/security/2018/dsa-4231", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/", "tags": ["Exploit", "Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html", "tags": ["Patch", "Third Party Advisory"], "source": "security@debian.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-203"}]}], "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."}], "lastModified": "2023-11-07T02:51:03.097", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC274575-E019-42DC-9376-52BC58A098AE", "versionEndExcluding": "1.7.10"}, {"criteria": "cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCDC1BBF-AFA1-43B2-8318-E97B74B7F6C5", "versionEndExcluding": "1.8.3", "versionStartIncluding": "1.8.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5319543-0143-4E2E-AA77-B7F116C1336C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:traffic_director:11.1.1.9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EB3B106-0E2D-4363-B768-4AC84F568F2A"}], "operator": "OR"}]}], "sourceIdentifier": "security@debian.org"}