{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-1763",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "the libreswan Project",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "libreswan",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "from versions 3.27 till 3.31"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-125"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt",
                "name": "https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt",
                "refsource": "CONFIRM"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763",
                "refsource": "CONFIRM"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1813329",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1813329",
                "refsource": "MISC"
            },
            {
                "url": "https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8",
                "name": "https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8",
                "refsource": "CONFIRM"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4684",
                "url": "https://www.debian.org/security/2020/dsa-4684"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202007-21",
                "url": "https://security.gentoo.org/glsa/202007-21"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf"
            },
            {
                "refsource": "MISC",
                "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04",
                "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash."
            }
        ]
    },
    "impact": {
        "cvss": [
            [
                {
                    "vectorString": "7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "version": "3.0"
                }
            ]
        ]
    }
}