Moxa AWK-3121 Improper Neutralization of Special Elements Used in a Command (CVE-2018-10699)

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

include('compat.inc');

if (description)
{
  script_id(501515);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/11");

  script_cve_id("CVE-2018-10699");

  script_name(english:"Moxa AWK-3121 Improper Neutralization of Special Elements Used in a Command (CVE-2018-10699)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An issue was discovered on Moxa AWK-3121 1.14 devices. The Moxa AWK
3121 provides certfile upload functionality so that an administrator
can upload a certificate file used for connecting to the wireless
network. However, the same functionality allows an attacker to execute
commands on the device. The POST parameter iw_privatePass is
susceptible to this injection. By crafting a packet that contains
shell metacharacters, it is possible for an attacker to execute the
attack.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # http://packetstormsecurity.com/files/153223/Moxa-AWK-3121-1.14-Information-Disclosure-Command-Execution.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8cdebb36");
  # https://github.com/samuelhuntley/Moxa_AWK_1121/blob/master/Moxa_AWK_1121
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1bb1138e");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2019/Jun/8");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-19-337-02");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

Moxa notes this device has reached end of life and has been replaced by model AWK-1131A (see Moxa bulletin). Moxa
recommends users apply the latest security patch, which can be obtained by contacting customer service at the following
link:

https://www.moxa.com/en/support/support/technical-support

For additional information see the Moxa advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-10699");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(78);

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/06/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/02");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:awk-3121_firmware:1.14");
  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/Moxa");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Moxa');

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

var vuln_cpes = {
    "cpe:/o:moxa:awk-3121_firmware:1.14" :
        {"versionEndIncluding" : "1.14", "versionStartIncluding" : "1.14", "family" : "AWK"}
};

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