{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2011-2943",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://developer.pidgin.im/viewmtn/revision/diff/5749f9193063800d27bef75c2388f6f9cc2f7f37/with/5c2dba4a7e2e76b76e7f472b88953a4316706d43/libpurple/protocols/irc/msgs.c",
                "refsource": "MISC",
                "name": "http://developer.pidgin.im/viewmtn/revision/diff/5749f9193063800d27bef75c2388f6f9cc2f7f37/with/5c2dba4a7e2e76b76e7f472b88953a4316706d43/libpurple/protocols/irc/msgs.c"
            },
            {
                "url": "http://developer.pidgin.im/viewmtn/revision/info/5c2dba4a7e2e76b76e7f472b88953a4316706d43",
                "refsource": "MISC",
                "name": "http://developer.pidgin.im/viewmtn/revision/info/5c2dba4a7e2e76b76e7f472b88953a4316706d43"
            },
            {
                "url": "http://pidgin.im/news/security/?id=53",
                "refsource": "MISC",
                "name": "http://pidgin.im/news/security/?id=53"
            },
            {
                "url": "http://secunia.com/advisories/45663",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/45663"
            },
            {
                "url": "http://secunia.com/advisories/45916",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/45916"
            },
            {
                "url": "http://securitytracker.com/id?1025961",
                "refsource": "MISC",
                "name": "http://securitytracker.com/id?1025961"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2011/08/20/2",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2011/08/20/2"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2011/08/22/2",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2011/08/22/2"
            },
            {
                "url": "http://www.securityfocus.com/bid/49268",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/49268"
            },
            {
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69340",
                "refsource": "MISC",
                "name": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69340"
            },
            {
                "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005",
                "refsource": "MISC",
                "name": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722939",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=722939"
            }
        ]
    }
}