{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2015-3900",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a \"DNS hijack attack.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "name": "RHSA-2015:1657",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2015-1657.html"
            },
            {
                "name": "FEDORA-2015-12501",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html"
            },
            {
                "name": "FEDORA-2015-12574",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html"
            },
            {
                "name": "[oss-security] 20150626 rubygems <2.4.8 vulnerable to DNS request hijacking (CVE-2015-3900 and CVE-2015-4020)",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2015/06/26/2"
            },
            {
                "name": "https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/",
                "refsource": "MISC",
                "url": "https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/"
            },
            {
                "name": "75482",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/75482"
            },
            {
                "name": "https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356",
                "refsource": "MISC",
                "url": "https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356"
            },
            {
                "name": "http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html",
                "refsource": "CONFIRM",
                "url": "http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html"
            },
            {
                "name": "https://puppet.com/security/cve/CVE-2015-3900",
                "refsource": "CONFIRM",
                "url": "https://puppet.com/security/cve/CVE-2015-3900"
            },
            {
                "name": "FEDORA-2015-13157",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html"
            },
            {
                "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"
            }
        ]
    }
}