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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."}], "id": "CVE-2018-0495", "lastModified": "2023-11-07T02:51:03.097", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-13T23:29:00.333", "references": [{"source": "security@debian.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041144"}, {"source": "security@debian.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041147"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3221"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3505"}, {"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", "tags": ["Patch", "Vendor Advisory"], "url": "https://dev.gnupg.org/T4011"}, {"source": "security@debian.org", "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965"}, {"source": "security@debian.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00013.html"}, {"source": "security@debian.org", "tags": ["Vendor Advisory"], "url": "https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3689-1/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3689-2/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3692-1/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3692-2/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3850-1/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3850-2/"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4231"}, {"source": "security@debian.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/"}, {"source": "security@debian.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}], "sourceIdentifier": "security@debian.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:1296", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "openssl", "product_name": "JBoss Core Services Apache HTTP Server 2.4.29 SP2", "release_date": "2019-05-30T00:00:00Z"}, {"advisory": "RHSA-2019:1543", "cpe": "cpe:/a:redhat:jboss_core_services:1", "product_name": "JBoss Core Services Apache HTTP Server 2.4.29 SP2", "release_date": "2019-06-18T00:00:00Z"}, {"advisory": "RHSA-2019:1297", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-httpd-0:2.4.29-40.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2019-05-30T00:00:00Z"}, {"advisory": "RHSA-2019:1297", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-openssl-1:1.0.2n-15.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2019-05-30T00:00:00Z"}, {"advisory": "RHSA-2019:1297", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-httpd-0:2.4.29-40.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2019-05-30T00:00:00Z"}, {"advisory": "RHSA-2019:1297", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-1:1.0.2n-15.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2019-05-30T00:00:00Z"}, {"advisory": "RHBA-2020:0547", "cpe": "cpe:/a:redhat:ansible_tower:3.4::el7", "package": "ansible-tower-34/ansible-tower-memcached:1.4.15-28", "product_name": "Red Hat Ansible Tower 3.4 for RHEL 7", "release_date": "2020-02-18T00:00:00Z"}, {"advisory": "RHBA-2020:0547", "cpe": "cpe:/a:redhat:ansible_tower:3.4::el7", "package": "ansible-tower-35/ansible-tower-memcached:1.4.15-28", "product_name": "Red Hat Ansible Tower 3.4 for RHEL 7", "release_date": "2020-02-18T00:00:00Z"}, {"advisory": "RHBA-2020:0547", "cpe": "cpe:/a:redhat:ansible_tower:3.4::el7", "package": "ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28", "product_name": "Red Hat Ansible Tower 3.4 for RHEL 7", "release_date": "2020-02-18T00:00:00Z"}, {"advisory": "RHSA-2018:3221", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "openssl-1:1.0.2k-16.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}, {"advisory": "RHSA-2019:2237", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nspr-0:4.21.0-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2237", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nss-0:3.44.0-4.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2237", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nss-softokn-0:3.44.0-5.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2237", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nss-util-0:3.44.0-3.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2020:1345", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "nss-softokn-0:3.28.3-9.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-04-07T00:00:00Z"}, {"advisory": "RHSA-2020:1345", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "nss-softokn-0:3.28.3-9.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-04-07T00:00:00Z"}, {"advisory": "RHSA-2020:1345", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "nss-softokn-0:3.28.3-9.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-04-07T00:00:00Z"}, {"advisory": "RHSA-2020:1267", "cpe": "cpe:/o:redhat:rhel_eus:7.5", "package": "nss-softokn-0:3.36.0-6.el7_5", "product_name": "Red Hat Enterprise Linux 7.5 Extended Update Support", "release_date": "2020-04-01T00:00:00Z"}, {"advisory": "RHSA-2020:1461", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "nss-softokn-0:3.36.0-6.el7_6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-04-14T00:00:00Z"}], "bugzilla": {"description": "ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries", "id": "1591163", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1591163"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["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."], "name": "CVE-2018-0495", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Will not fix", "package_name": "libtomcrypt", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libgcrypt", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "openssl097a", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libgcrypt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libgcrypt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "OVMF", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libgcrypt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:5", "fix_state": "Out of support scope", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Will not fix", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Not affected", "package_name": "bouncycastle", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:2", "fix_state": "Will not fix", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Web Server 2"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "bouncycastle", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:rhel_sam:1", "fix_state": "Not affected", "package_name": "bouncycastle", "product_name": "Red Hat Subscription Asset Manager"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "bouncycastle", "product_name": "Red Hat Virtualization 4"}], "public_date": "2018-06-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-0495\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-0495\nhttps://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/"], "statement": "Since the 5.8.3 release, Red Hat CloudForms no longer uses libtomcrypt.", "threat_severity": "Moderate"}