{"id":"CVE-2018-0734","title":"The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack","summary":"The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-327"],"vendor":"openssl","product":"openssl","affected":["openssl >= 1.0.2, <= 1.0.2p","openssl >= 1.1.0, <= 1.1.0i","openssl = 1.1.1","ubuntu_linux = 14.04","ubuntu_linux = 16.04","ubuntu_linux = 18.04","ubuntu_linux = 18.10","debian_linux = 9.0","node.js >= 6.0.0, <= 6.8.1","node.js >= 6.9.0, < 6.15.0","node.js >= 8.0.0, <= 8.8.1","node.js >= 8.9.0, < 8.14.0","node.js >= 10.0.0, <= 10.12.0","node.js >= 11.0.0, < 11.3.0","node.js = 10.13.0","cn1610_firmware","cloud_backup","oncommand_unified_manager","santricity_smi-s_provider","snapcenter","steelstore","storage_automation_store","api_gateway = 11.1.2.4.0","e-business_suite_technology_stack = 0.9.8","e-business_suite_technology_stack = 1.0.0","e-business_suite_technology_stack = 1.0.1","enterprise_manager_base_platform = 12.1.0.5.0","enterprise_manager_base_platform = 13.2.0.0.0","enterprise_manager_base_platform = 13.3.0.0.0","enterprise_manager_ops_center = 12.3.3","mysql_enterprise_backup >= 3.0, <= 3.12.3","mysql_enterprise_backup >= 4.0, <= 4.1.2","peoplesoft_enterprise_peopletools = 8.55","peoplesoft_enterprise_peopletools = 8.56","peoplesoft_enterprise_peopletools = 8.57","primavera_p6_professional_project_management >= 17.7, <= 17.12","primavera_p6_professional_project_management = 8.4","primavera_p6_professional_project_management = 15.1","primavera_p6_professional_project_management = 15.2","primavera_p6_professional_project_management = 16.1","primavera_p6_professional_project_management = 16.2","primavera_p6_professional_project_management = 18.8","tuxedo = 12.1.1.0.0"],"patched":["node.js 11.3.0"],"published":"2018-10-30","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:16:42.960","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-0734","references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html","label":"openssl-security@openssl.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html","label":"openssl-security@openssl.org"},{"url":"http://www.securityfocus.com/bid/105758","label":"openssl-security@openssl.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2304","label":"openssl-security@openssl.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:3700","label":"openssl-security@openssl.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:3932","label":"openssl-security@openssl.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:3933","label":"openssl-security@openssl.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:3935","label":"openssl-security@openssl.org"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac","label":"openssl-security@openssl.org"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f","label":"openssl-security@openssl.org"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7","label":"openssl-security@openssl.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/","label":"openssl-security@openssl.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/","label":"openssl-security@openssl.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/","label":"openssl-security@openssl.org"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","label":"openssl-security@openssl.org"},{"url":"https://security.netapp.com/advisory/ntap-20181105-0002/","label":"openssl-security@openssl.org"},{"url":"https://security.netapp.com/advisory/ntap-20190118-0002/","label":"openssl-security@openssl.org"},{"url":"https://security.netapp.com/advisory/ntap-20190423-0002/","label":"openssl-security@openssl.org"},{"url":"https://usn.ubuntu.com/3840-1/","label":"openssl-security@openssl.org"},{"url":"https://www.debian.org/security/2018/dsa-4348","label":"openssl-security@openssl.org"},{"url":"https://www.debian.org/security/2018/dsa-4355","label":"openssl-security@openssl.org"},{"url":"https://www.openssl.org/news/secadv/20181030.txt","label":"openssl-security@openssl.org"},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","label":"openssl-security@openssl.org"},{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","label":"openssl-security@openssl.org"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","label":"openssl-security@openssl.org"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","label":"openssl-security@openssl.org"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","label":"openssl-security@openssl.org"},{"url":"https://www.tenable.com/security/tns-2018-16","label":"openssl-security@openssl.org"},{"url":"https://www.tenable.com/security/tns-2018-17","label":"openssl-security@openssl.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/105758","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:2304","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3700","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3932","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3933","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3935","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20181105-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20190118-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20190423-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3840-1/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4348","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4355","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openssl.org/news/secadv/20181030.txt","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/tns-2018-16","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/tns-2018-17","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.12154,"epssPercentile":0.96062,"ingestedAt":"2026-10-08T23:16:47.293Z","slug":"CVE-2018-0734","body":"## Overview\n\nThe OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).\n\n## Affected\n\n- `openssl >= 1.0.2, <= 1.0.2p`\n- `openssl >= 1.1.0, <= 1.1.0i`\n- `openssl = 1.1.1`\n- `ubuntu_linux = 14.04`\n- `ubuntu_linux = 16.04`\n- `ubuntu_linux = 18.04`\n- `ubuntu_linux = 18.10`\n- `debian_linux = 9.0`\n- `node.js >= 6.0.0, <= 6.8.1`\n- `node.js >= 6.9.0, < 6.15.0`\n- `node.js >= 8.0.0, <= 8.8.1`\n- `node.js >= 8.9.0, < 8.14.0`\n- `node.js >= 10.0.0, <= 10.12.0`\n- `node.js >= 11.0.0, < 11.3.0`\n- `node.js = 10.13.0`\n- `cn1610_firmware`\n- `cloud_backup`\n- `oncommand_unified_manager`\n- `santricity_smi-s_provider`\n- `snapcenter`\n- `steelstore`\n- `storage_automation_store`\n- `api_gateway = 11.1.2.4.0`\n- `e-business_suite_technology_stack = 0.9.8`\n- `e-business_suite_technology_stack = 1.0.0`\n- `e-business_suite_technology_stack = 1.0.1`\n- `enterprise_manager_base_platform = 12.1.0.5.0`\n- `enterprise_manager_base_platform = 13.2.0.0.0`\n- `enterprise_manager_base_platform = 13.3.0.0.0`\n- `enterprise_manager_ops_center = 12.3.3`\n- `mysql_enterprise_backup >= 3.0, <= 3.12.3`\n- `mysql_enterprise_backup >= 4.0, <= 4.1.2`\n- `peoplesoft_enterprise_peopletools = 8.55`\n- `peoplesoft_enterprise_peopletools = 8.56`\n- `peoplesoft_enterprise_peopletools = 8.57`\n- `primavera_p6_professional_project_management >= 17.7, <= 17.12`\n- `primavera_p6_professional_project_management = 8.4`\n- `primavera_p6_professional_project_management = 15.1`\n- `primavera_p6_professional_project_management = 15.2`\n- `primavera_p6_professional_project_management = 16.1`\n- `primavera_p6_professional_project_management = 16.2`\n- `primavera_p6_professional_project_management = 18.8`\n- `tuxedo = 12.1.1.0.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `node.js 11.3.0`","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":32.5,"likelihood":2.4,"exploitation":0,"ransomware":0},"changes":[]}