{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-20482",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user's process (e.g., a system backup running as root)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug",
                "refsource": "MISC",
                "url": "https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug"
            },
            {
                "name": "http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454",
                "refsource": "MISC",
                "url": "http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454"
            },
            {
                "name": "[debian-lts-announce] 20181231 [SECURITY] [DLA 1623-1] tar security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00023.html"
            },
            {
                "name": "https://news.ycombinator.com/item?id=18745431",
                "refsource": "MISC",
                "url": "https://news.ycombinator.com/item?id=18745431"
            },
            {
                "name": "106354",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/106354"
            },
            {
                "name": "GLSA-201903-05",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201903-05"
            },
            {
                "name": "http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html",
                "refsource": "MISC",
                "url": "http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html"
            },
            {
                "name": "https://twitter.com/thatcks/status/1076166645708668928",
                "refsource": "MISC",
                "url": "https://twitter.com/thatcks/status/1076166645708668928"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:1237",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html"
            }
        ]
    }
}