Cisco FXOS and NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1611)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(501275);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/22");

  script_cve_id("CVE-2019-1611");

  script_name(english:"Cisco FXOS and NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1611)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A vulnerability in the CLI of Cisco NX-OS Software and Cisco FXOS
Software could allow an authenticated, local attacker to execute
arbitrary commands on the underlying operating system of an affected
device. The vulnerability is due to insufficient validation of
arguments passed to certain CLI commands. An attacker could exploit
this vulnerability by including malicious input as the argument of an
affected command. A successful exploit could allow the attacker to
execute arbitrary commands on the underlying operating system with
elevated privileges. An attacker would need valid administrator
credentials to exploit this vulnerability. Firepower 4100 Series Next-
Generation Firewalls are affected running software versions prior to
2.2.2.91, 2.3.1.110, and 2.4.1.222. Firepower 9300 Security Appliance
are affected running software versions prior to 2.2.2.91, 2.3.1.110,
and 2.4.1.222. MDS 9000 Series Multilayer Switches are affected
running software versions prior to 6.2(25) and 8.3(1). Nexus 3000
Series Switches are affected running software versions prior to
7.0(3)I4(9) and 7.0(3)I7(5). Nexus 3500 Platform Switches are affected
running software versions prior to 7.0(3)I7(5). Nexus 3600 Platform
Switches are affected running software versions prior to 7.0(3)F3(5).
Nexus 2000, 5500, 5600, and 6000 Series Switches are affected running
software versions prior to 7.1(5)N1(1b) and 7.3(4)N1(1). Nexus 7000
and 7700 Series Switches are affected running software versions prior
to 6.2(22), 7.3(3)D1(1), 8.2(3). Nexus 9000 Series Switches in
Standalone NX-OS Mode are affected running software versions prior to
7.0(3)I4(9) and 7.0(3)I7(5). Nexus 9500 R-Series Line Cards and Fabric
Modules are affected running software versions prior to 7.0(3)F3(5).

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/107381");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-cmdinj-1611
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?326bae04");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-1611");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(88);

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/07/25");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:nx-os:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:nx-os:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:nx-os:8");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Cisco");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Cisco');

var asset = tenable_ot::assets::get(vendor:'Cisco');

var vuln_cpes = {
    "cpe:/o:cisco:nx-os:8.3%281%29" :
        {"versionEndExcluding" : "8.3%281%29", "versionStartIncluding" : "7.3", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:6.2%2825%29" :
        {"versionEndExcluding" : "6.2%2825%29", "versionStartIncluding" : "5.2", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.0%283%29i4%289%29" :
        {"versionEndExcluding" : "7.0%283%29i4%289%29", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.0%283%29i7%285%29" :
        {"versionEndExcluding" : "7.0%283%29i7%285%29", "versionStartIncluding" : "7.0%283%29", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.3%284%29n1%281%29" :
        {"versionEndExcluding" : "7.3%284%29n1%281%29", "versionStartIncluding" : "7.2", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:6.2%2822%29" :
        {"versionEndExcluding" : "6.2%2822%29", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:8.2%283%29" :
        {"versionEndExcluding" : "8.2%283%29", "versionStartIncluding" : "8.0", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.3%283%29d1%281%29" :
        {"versionEndExcluding" : "7.3%283%29d1%281%29", "versionStartIncluding" : "7.2", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.3%283%29i7%285%29" :
        {"versionEndExcluding" : "7.3%283%29i7%285%29", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.0%283%29f3%285%29" :
        {"versionEndExcluding" : "7.0%283%29f3%285%29", "versionStartIncluding" : "7.0%283%29f3", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.1%285%29n1%281b%29" :
        {"versionEndExcluding" : "7.1%285%29n1%281b%29", "family" : "NXOS"},
    "cpe:/o:cisco:nx-os:7.3%283%29f3%285%29" :
        {"versionEndExcluding" : "7.3%283%29f3%285%29", "versionStartIncluding" : "7.0%283%29f1", "family" : "NXOS"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);