{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@paloaltonetworks.com",
        "DATE_PUBLIC": "2020-04-20T20:28:00.000Z",
        "ID": "CVE-2020-1983",
        "STATE": "PUBLIC",
        "TITLE": "libslirp: use after free vulnerability cause a denial of service."
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "libslirp",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_value": "4.2.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "slirp"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "This issue was discovered by Aviv Sasson of Palo Alto Networks."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "A public proof of concept is available."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-416 Use After Free"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20",
                "name": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20"
            },
            {
                "refsource": "MISC",
                "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04",
                "name": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4665",
                "url": "https://www.debian.org/security/2020/dsa-4665"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-30c45be10c",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-1608d52724",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0636",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4372-1",
                "url": "https://usn.ubuntu.com/4372-1/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0756",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security update",
                "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update",
                "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
            }
        ]
    },
    "source": {
        "defect": [
            "20"
        ],
        "discovery": "EXTERNAL"
    }
}