{"id": "CISCO-SA-20150817-CVE-2015-4324", "hash": "535e0c2caba8fd8c5ff7e58dacf4cd2d", "type": "cisco", "bulletinFamily": "software", "title": "Cisco NX-OS Internet Group Management Protocol Denial of Service Vulnerability", "description": "A vulnerability in the Internet Group Management Protocol version 3 (IGMPv3) input packet processing of Cisco NX-OS could allow an unauthenticated, adjacent attacker to cause the IGMP process to restart due to a malformed IGMP packet, which could cause a denial of service (DoS) condition on the device.\n\nThe vulnerability is due to improper input validation when ensuring the memory allocated is large enough for the number of included sources in the IGMPv3 packet. An attacker could exploit this vulnerability by sending a crafted IGMPv3 packet to the targeted device. An exploit could allow the attacker to cause the IGMP process to restart due to a buffer overflow, which may cause a DoS condition.\n\nCisco has confirmed the vulnerability. Software updates are available.\n\nAn unauthenticated, adjacent attacker could use this vulnerability if the targeted device's IGMPv3 snooping is configured on one or more VLANs and running the affected version of the software.\n\nTo exploit this vulnerability, an attacker must be on the same broadcast or collision domain as the affected device. This access requirement could decrease the likelihood of a successful exploit.", "published": "2015-08-17T14:34:04", "modified": "2015-08-17T14:33:56", "cvss": {"score": 6.1, "vector": "AV:ADJACENT_NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150817-CVE-2015-4324", "reporter": "Cisco", "references": ["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150817-CVE-2015-4324"], "cvelist": ["CVE-2015-4324"], "lastseen": "2017-09-26T15:33:39", "history": [], "viewCount": 4, "enchantments": {"score": {"value": 5.0, "vector": "NONE"}, "vulnersScore": 5.0}, "objectVersion": "1.4", "affectedSoftware": [{"version": "any", "operator": "eq", "name": "Cisco NX-OS Software"}], "_object_type": "robots.models.cisco.CiscoBulletin", "_object_types": ["robots.models.base.Bulletin", "robots.models.cisco.CiscoBulletin"]}

{"cve": [{"lastseen": "2017-04-18T15:57:06", "references": ["http://www.securitytracker.com/id/1033327", "http://www.securityfocus.com/bid/76372", "http://tools.cisco.com/security/center/viewAlert.x?alertId=40470"], "edition": 2, "description": "Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.81), Nexus 3000 devices 7.3(0)ZN(0.81), Nexus 4000 devices 4.1(2)E1(1c), Nexus 7000 devices 7.2(0)N1(0.1), and Nexus 9000 devices 7.3(0)ZN(0.81) allows remote attackers to cause a denial of service (IGMP process restart) via a malformed IGMPv3 packet that is mishandled during memory allocation, aka Bug IDs CSCuv69713, CSCuv69717, CSCuv69723, CSCuv69732, and CSCuv48908.", "reporter": "NVD", "published": "2015-08-19T11:59:06", "title": "CVE-2015-4324", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "type": "cve", "assessment": {"system": "", "name": "", "href": ""}, "bulletinFamily": "NVD", "cvelist": ["CVE-2015-4324"], "scanner": [], "modified": "2017-01-04T11:10:06", "cpe": ["cpe:/o:cisco:nx-os:4.1%282%29e1%281c%29", "cpe:/o:cisco:nx-os:7.3%280%29zn%280.81%29", "cpe:/o:cisco:nx-os:7.2%280%29n1%280.1%29"], "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-4324", "id": "CVE-2015-4324", "cvss": {"score": 6.1, "vector": "AV:ADJACENT_NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}], "openvas": [{"lastseen": "2018-10-26T14:39:11", "references": ["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150817-CVE-2015-4324"], "pluginID": "1361412562310105699", "description": "A vulnerability in the Internet Group Management Protocol version 3 (IGMPv3) input packet\nprocessing of Cisco NX-OS could allow an unauthenticated, adjacent attacker to cause the IGMP\nprocess to restart due to a malformed IGMP packet, which could cause a denial of service (DoS)\ncondition on the device.\n\nThe vulnerability is due to improper input validation when ensuring the memory allocated is large\nenough for the number of included sources in the IGMPv3 packet. An attacker could exploit this\nvulnerability by sending a crafted IGMPv3 packet to the targeted device. An exploit could allow the\nattacker to cause the IGMP process to restart due to a buffer overflow, which may cause a DoS\ncondition.\n\nCisco has confirmed the vulnerability. Software updates are available.\n\n\nAn unauthenticated, adjacent attacker could use this vulnerability if the targeted device", "edition": 6, "reporter": "This script is Copyright (C) 2016 Greenbone Networks GmbH", "published": "2016-05-12T00:00:00", "title": "Cisco NX-OS Internet Group Management Protocol Denial of Service Vulnerability", "type": "openvas", "enchantments": {"score": {"vector": "NONE", "value": 7.5}}, "naslFamily": "CISCO", "bulletinFamily": "scanner", "cvelist": ["CVE-2015-4324"], "modified": "2018-10-25T00:00:00", "id": "OPENVAS:1361412562310105699", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310105699", "sourceData": "###############################################################################\n# OpenVAS Vulnerability Test\n# $Id: gb_cisco_nx_os_Cisco-SA-20150817-CVE-2015-4324.nasl 12096 2018-10-25 12:26:02Z asteins $\n#\n# Cisco NX-OS Internet Group Management Protocol Denial of Service Vulnerability\n#\n# Authors:\n# Michael Meyer <michael.meyer@greenbone.net>\n#\n# Copyright:\n# Copyright (c) 2016 Greenbone Networks GmbH\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n###############################################################################\n\nCPE = \"cpe:/o:cisco:nx-os\";\n\nif (description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.105699\");\n script_cve_id(\"CVE-2015-4324\");\n script_tag(name:\"cvss_base\", value:\"6.1\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:A/AC:L/Au:N/C:N/I:N/A:C\");\n script_version(\"$Revision: 12096 $\");\n\n script_name(\"Cisco NX-OS Internet Group Management Protocol Denial of Service Vulnerability\");\n\n script_xref(name:\"URL\", value:\"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150817-CVE-2015-4324\");\n\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable version is present on the target host.\");\n\n script_tag(name:\"solution\", value:\"See the referenced vendor advisory for a solution.\");\n script_tag(name:\"summary\", value:\"A vulnerability in the Internet Group Management Protocol version 3 (IGMPv3) input packet\nprocessing of Cisco NX-OS could allow an unauthenticated, adjacent attacker to cause the IGMP\nprocess to restart due to a malformed IGMP packet, which could cause a denial of service (DoS)\ncondition on the device.\n\nThe vulnerability is due to improper input validation when ensuring the memory allocated is large\nenough for the number of included sources in the IGMPv3 packet. An attacker could exploit this\nvulnerability by sending a crafted IGMPv3 packet to the targeted device. An exploit could allow the\nattacker to cause the IGMP process to restart due to a buffer overflow, which may cause a DoS\ncondition.\n\nCisco has confirmed the vulnerability. Software updates are available.\n\n\nAn unauthenticated, adjacent attacker could use this vulnerability if the targeted device's IGMPv3\nsnooping is configured on one or more VLANs and running the affected version of the software.\n\nTo exploit this vulnerability, an attacker must be on the same broadcast or collision domain as the\naffected device. This access requirement could decrease the likelihood of a successful exploit.\");\n\n script_tag(name:\"qod_type\", value:\"package\");\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n\n script_tag(name:\"last_modification\", value:\"$Date: 2018-10-25 14:26:02 +0200 (Thu, 25 Oct 2018) $\");\n script_tag(name:\"creation_date\", value:\"2016-05-12 16:08:14 +0200 (Thu, 12 May 2016)\");\n script_category(ACT_GATHER_INFO);\n script_family(\"CISCO\");\n script_copyright(\"This script is Copyright (C) 2016 Greenbone Networks GmbH\");\n script_dependencies(\"gb_cisco_nx_os_version.nasl\");\n script_mandatory_keys(\"cisco_nx_os/version\", \"cisco_nx_os/model\", \"cisco_nx_os/device\");\n\n exit(0);\n}\n\ninclude(\"host_details.inc\");\ninclude(\"version_func.inc\");\n\nif( ! version = get_app_version( cpe:CPE ) ) exit( 0 );\n\nif( ! device = get_kb_item( \"cisco_nx_os/device\" ) ) exit( 0 );\nif( \"Nexus\" >!< device ) exit( 0 );\n\nif ( ! nx_model = get_kb_item( \"cisco_nx_os/model\" ) ) exit( 0 );\n\nif( \"1000V\" >< nx_model )\n{\n affected = make_list(\n\t\t\t\"7.3(0)ZN(0.81)\"\n\t\t);\n}\n\nif( nx_model =~ \"^3[0-9]+\" )\n{\n affected = make_list(\n\t\t\t\"7.3(0)ZN(0.81)\"\n\t\t);\n}\n\nif( nx_model =~ \"^4[0-9]+\" )\n{\n affected = make_list(\n\t\t\t\"4.1(2)E1(1c)\"\n\t\t);\n}\n\nif( nx_model =~ \"^7[0-9]+\" )\n{\n affected = make_list(\n\t\t\t\"7.2(0)N1(0.1)\"\n\t\t);\n}\n\nif( nx_model =~ \"^N9K\" )\n{\n affected = make_list(\n\t\t\t\"7.3(0)ZN(0.81)\"\n\t\t);\n}\n\n\nforeach af ( affected )\n{\n if( version == af )\n {\n report = report_fixed_ver( installed_version:version, fixed_version: \"See advisory\" );\n security_message( port:0, data:report );\n exit( 0 );\n }\n}\n\nexit( 99 );\n\n", "cvss": {"score": 6.1, "vector": "AV:ADJACENT_NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}]}