{"id":"CVE-2018-0734","revision":null,"records":[{"revision":"07d7ecb100334308b383374c404e6acc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2018-0734","aliases":[],"title":"Timing attack against DSA","description":"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 OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).","state":0,"publishedAt":"2018-10-30T12:00:00+00:00","modifiedAt":"2026-10-08T21:13:44.081+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenSSL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"OpenSSL\",\n                    \"vendor\": \"OpenSSL\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.1a (Affected 1.1.1)\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i)\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p)\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","https://usn.ubuntu.com/3840-1/","https://www.debian.org/security/2018/dsa-4355","https://security.netapp.com/advisory/ntap-20181105-0002/","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f","https://www.tenable.com/security/tns-2018-17","https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","https://www.tenable.com/security/tns-2018-16","http://www.securityfocus.com/bid/105758","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7","https://www.debian.org/security/2018/dsa-4348","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac","https://www.openssl.org/news/secadv/20181030.txt","https://security.netapp.com/advisory/ntap-20190118-0002/","https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","https://security.netapp.com/advisory/ntap-20190423-0002/","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html","https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html","https://access.redhat.com/errata/RHSA-2019:2304","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/","https://access.redhat.com/errata/RHSA-2019:3700","https://access.redhat.com/errata/RHSA-2019:3933","https://access.redhat.com/errata/RHSA-2019:3935","https://access.redhat.com/errata/RHSA-2019:3932","https://www.oracle.com/security-alerts/cpujan2020.html","https://www.oracle.com/security-alerts/cpuapr2020.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2018-0734","license":"CVE Program Terms of Use","key":"cve-program:CVE-2018-0734","identifiers":["CVE-2018-0734"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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