{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "DATE_ASSIGNED": "1/18/2018 15:05:14",
        "ID": "CVE-2018-1000027",
        "REQUESTER": "squid3@treenet.co.nz",
        "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": "The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "USN-3557-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3557-1/"
            },
            {
                "name": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2018_2.patch",
                "refsource": "CONFIRM",
                "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2018_2.patch"
            },
            {
                "name": "DSA-4122",
                "refsource": "DEBIAN",
                "url": "https://www.debian.org/security/2018/dsa-4122"
            },
            {
                "name": "http://www.squid-cache.org/Advisories/SQUID-2018_2.txt",
                "refsource": "CONFIRM",
                "url": "http://www.squid-cache.org/Advisories/SQUID-2018_2.txt"
            },
            {
                "name": "[debian-lts-announce] 20180202 [SECURITY] [DLA 1266-1] squid3 security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00001.html"
            },
            {
                "name": "https://github.com/squid-cache/squid/pull/129/files",
                "refsource": "CONFIRM",
                "url": "https://github.com/squid-cache/squid/pull/129/files"
            },
            {
                "name": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_2.patch",
                "refsource": "CONFIRM",
                "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_2.patch"
            },
            {
                "name": "[debian-lts-announce] 20180202 [SECURITY] [DLA 1267-1] squid security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00002.html"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4059-2",
                "url": "https://usn.ubuntu.com/4059-2/"
            }
        ]
    }
}