{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-12402",
        "ASSIGNER": "security@mozilla.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Mozilla",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Firefox",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "78",
                                            "version_affected": "<"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "RSA Key Generation vulnerable to side-channel attack"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.mozilla.org/security/advisories/mfsa2020-24/",
                "refsource": "MISC",
                "name": "https://www.mozilla.org/security/advisories/mfsa2020-24/"
            },
            {
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1631597",
                "refsource": "MISC",
                "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1631597"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0953",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00016.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0955",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00018.html"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4417-1",
                "url": "https://usn.ubuntu.com/4417-1/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0983",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4726",
                "url": "https://www.debian.org/security/2020/dsa-4726"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-3ef1937475",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UWVDJRARXNWWWTCGMM63EXLQHH2LNOXO/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1017",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202007-10",
                "url": "https://security.gentoo.org/glsa/202007-10"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4417-2",
                "url": "https://usn.ubuntu.com/4417-2/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-16741ac7ff",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RFL6UNFK4MG2WDXLMLFAEIUSM5EUK7CG/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20200929 [SECURITY] [DLA 2388-1] nss security update",
                "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the recovery of the secret primes. *Note:* An unmodified Firefox browser does not generate RSA keys in normal operation and is not affected, but products built on top of it might. This vulnerability affects Firefox < 78."
            }
        ]
    }
}