code | #TRUSTED 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
#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');
if (description)
{
script_id(135198);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/04/06");
script_cve_id("CVE-2020-0311");
script_xref(name:"CISCO-BUG-ID", value:"CSCve04859");
script_xref(name:"CISCO-SA", value:"cisco-sa-20180620-nx-os-fabric-services-dos");
script_xref(name:"IAVA", value:"2020-A-0127");
script_name(english:"Cisco FXOS Software Cisco Fabric Services Denial of Service Vulnerability (cisco-sa-20180620-nx-os-fabric-services-dos)");
script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch");
script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco FXOS Software is affected by a denial of service vulnerability in Cisco
Fabric Services due to insufficient validation of packet data. An unauthenticated, remote attacker can exploit this
issue, via a maliciously crafted Cisco Fabric Services packet, to cause the process to stop responding.
Please see the included Cisco BIDs and Cisco Security Advisory for more information");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nx-os-fabric-services-dos
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7a5a1307");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCve04859");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCve04859.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-0311");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/20");
script_set_attribute(attribute:"patch_publication_date", value:"2018/06/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/03");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:fxos");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CISCO");
script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_enumerate_firepower.nbin", "cisco_asa_firepower_version.nasl");
script_require_keys("installed_sw/FXOS");
exit(0);
}
include('cisco_workarounds.inc');
include('ccf.inc');
product_info = cisco::get_product_info(name:'FXOS');
if(product_info['model'] !~ "^(41|93)[0-9]{2}")
audit(AUDIT_HOST_NOT, 'an affected model');
vuln_ranges = [
{'min_ver' : '1.1', 'fix_ver': '1.1.4.179'},
{'min_ver' : '2.0', 'fix_ver': '2.0.1.153'},
{'min_ver' : '2.1.1', 'fix_ver': '2.1.1.86'},
{'min_ver' : '2.2.1', 'fix_ver': '2.2.1.70'},
{'min_ver' : '2.2.2', 'fix_ver': '2.2.2.17'}
];
workarounds = make_list(CISCO_WORKAROUNDS['cfs_enabled']);
workaround_params = make_list();
reporting = make_array(
'port' , 0,
'severity' , SECURITY_HOLE,
'version' , product_info['version'],
'bug_id' , 'CSCve04859'
);
cisco::check_and_report(
product_info:product_info,
workarounds:workarounds,
workaround_params:workaround_params,
reporting:reporting,
vuln_ranges:vuln_ranges
);
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