{"id":"CVE-2018-0735","revision":"7ba58ff7ead544a088a1a691f6f65883","records":[{"revision":"7ba58ff7ead544a088a1a691f6f65883","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2018-0735","aliases":[],"title":"Timing attack against ECDSA signature generation","description":"The OpenSSL ECDSA 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 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).","state":0,"publishedAt":"2018-10-29T13:00:00+00:00","modifiedAt":"2026-10-08T21:13:55.113+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 1.1.0j (Affected 1.1.0-1.1.0i)\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.1a (Affected 1.1.1)\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1","https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","http://www.securityfocus.com/bid/105750","https://usn.ubuntu.com/3840-1/","https://security.netapp.com/advisory/ntap-20181105-0002/","https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","http://www.securitytracker.com/id/1041986","https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html","https://www.debian.org/security/2018/dsa-4348","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4","https://www.openssl.org/news/secadv/20181029.txt","https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","https://access.redhat.com/errata/RHSA-2019:3700","https://www.oracle.com/security-alerts/cpujan2020.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2018-0735","license":"CVE Program Terms of Use","key":"cve-program:CVE-2018-0735","identifiers":["CVE-2018-0735"]},"retained":false,"historicalAffected":[]}],"coverage":[]}