CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
43.8%
A vulnerability in the Simple Network Management Protocol
(SNMP) interface of the Nexus 3000 (N3K) Series Switch could allow an authenticated, remote
attacker to cause a partial denial of service (DoS) condition to the SNMP service running on the
device.
# Copyright (C) 2016 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/o:cisco:nx-os";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.105697");
script_version("2022-12-26T10:12:01+0000");
script_tag(name:"last_modification", value:"2022-12-26 10:12:01 +0000 (Mon, 26 Dec 2022)");
script_tag(name:"creation_date", value:"2016-05-12 16:05:18 +0200 (Thu, 12 May 2016)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:N/A:P");
script_cve_id("CVE-2015-6308");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Cisco Nexus 3000 Series Switches SNMP Non-Existent OID Denial of Service Vulnerability (Cisco-SA-20150930-CVE-2015-6308)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
script_family("CISCO");
script_dependencies("gb_cisco_nx_os_consolidation.nasl");
script_mandatory_keys("cisco/nx_os/detected", "cisco/nx_os/device", "cisco/nx_os/model");
script_tag(name:"summary", value:"A vulnerability in the Simple Network Management Protocol
(SNMP) interface of the Nexus 3000 (N3K) Series Switch could allow an authenticated, remote
attacker to cause a partial denial of service (DoS) condition to the SNMP service running on the
device.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The vulnerability is due to improper handling of an SNMP
request with a non-existent Object Identifier (OID). An attacker could exploit this vulnerability
by sending a crafted SNMP request to the affected device.");
script_tag(name:"impact", value:"An exploit could allow the attacker to cause a partial DoS
condition of the SNMP interface where SNMP requests with legitimately formatted OIDs will time
out. The DoS condition does clear and SNMP requests will start to be processed normally as
expected.");
script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150930-CVE-2015-6308");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! device = get_kb_item( "cisco/nx_os/device" ) )
exit( 0 );
if( "Nexus" >!< device )
exit( 0 );
if ( ! nx_model = get_kb_item( "cisco/nx_os/model" ) )
exit( 0 );
if( ! version = get_app_version( cpe:CPE, nofork:TRUE ) )
exit( 0 );
if( nx_model =~ "^C?3[0-9]+" ) {
affected = make_list( "6.0(2)U6(0.46)" );
}
foreach af ( affected ) {
if( version == af ) {
report = report_fixed_ver( installed_version:version, fixed_version:"See advisory" );
security_message( port:0, data:report );
exit( 0 );
}
}
exit( 99 );