{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2011-3872",
        "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": "Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master's certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka \"AltNames Vulnerability.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "46550",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/46550"
            },
            {
                "name": "USN-1238-2",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-1238-2"
            },
            {
                "name": "http://puppetlabs.com/blog/important-security-announcement-altnames-vulnerability/",
                "refsource": "CONFIRM",
                "url": "http://puppetlabs.com/blog/important-security-announcement-altnames-vulnerability/"
            },
            {
                "name": "puppet-x509-spoofing(70970)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70970"
            },
            {
                "name": "46578",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/46578"
            },
            {
                "name": "https://puppet.com/security/cve/cve-2011-3872",
                "refsource": "CONFIRM",
                "url": "https://puppet.com/security/cve/cve-2011-3872"
            },
            {
                "name": "46934",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/46934"
            },
            {
                "name": "http://groups.google.com/group/puppet-announce/browse_thread/thread/e7edc3a71348f3e1",
                "refsource": "CONFIRM",
                "url": "http://groups.google.com/group/puppet-announce/browse_thread/thread/e7edc3a71348f3e1"
            },
            {
                "name": "50356",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/50356"
            },
            {
                "name": "46964",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/46964"
            },
            {
                "name": "USN-1238-1",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-1238-1"
            }
        ]
    }
}