{
    "CVE_data_meta": {
        "ASSIGNER": "openssl-security@openssl.org",
        "DATE_PUBLIC": "2018-10-29",
        "ID": "CVE-2018-0735",
        "STATE": "PUBLIC",
        "TITLE": "Timing attack against ECDSA signature generation"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "OpenSSL",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i)"
                                        },
                                        {
                                            "version_value": "Fixed in OpenSSL 1.1.1a (Affected 1.1.1)"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "OpenSSL"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Samuel Weiser"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "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)."
            }
        ]
    },
    "impact": [
        {
            "lang": "eng",
            "url": "https://www.openssl.org/policies/secpolicy.html#Low",
            "value": "Low"
        }
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Constant time issue"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=56fb454d281a023b3f950d969693553d3f3ceea1",
                "refsource": "CONFIRM",
                "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=56fb454d281a023b3f950d969693553d3f3ceea1"
            },
            {
                "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
                "refsource": "CONFIRM",
                "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
                "name": "105750",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/105750"
            },
            {
                "name": "USN-3840-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3840-1/"
            },
            {
                "name": "https://security.netapp.com/advisory/ntap-20181105-0002/",
                "refsource": "CONFIRM",
                "url": "https://security.netapp.com/advisory/ntap-20181105-0002/"
            },
            {
                "name": "https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/",
                "refsource": "CONFIRM",
                "url": "https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/"
            },
            {
                "name": "1041986",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1041986"
            },
            {
                "name": "[debian-lts-announce] 20181121 [SECURITY] [DLA 1586-1] openssl security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html"
            },
            {
                "name": "DSA-4348",
                "refsource": "DEBIAN",
                "url": "https://www.debian.org/security/2018/dsa-4348"
            },
            {
                "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4",
                "refsource": "CONFIRM",
                "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4"
            },
            {
                "name": "https://www.openssl.org/news/secadv/20181029.txt",
                "refsource": "CONFIRM",
                "url": "https://www.openssl.org/news/secadv/20181029.txt"
            },
            {
                "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
            },
            {
                "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:3700",
                "url": "https://access.redhat.com/errata/RHSA-2019:3700"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2020.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2020.html"
            }
        ]
    }
}