Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers Buffer Copy Without Checking Size of Input (CVE-2017-16740)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500213);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/11");

  script_cve_id("CVE-2017-16740");

  script_name(english:"Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers Buffer Copy Without Checking Size of Input (CVE-2017-16740)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C
Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote
code execution.  

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:"https://ics-cert.us-cert.gov/advisories/ICSA-18-009-01");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/102474");
  # https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?57d56e7e");
  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.

Rockwell Automation encourages affected users to upgrade to the latest version of available firmware, FRN 21.003, which
can be obtained from:

https://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?famID=30&crumb=112

Rockwell Automation also suggests that Modbus TCP can be disabled if it is not necessary in the implementation of the
device to mitigate the vulnerability.

For more information, Rockwell Automation has released a security bulletin that can be accessed using valid credentials
at:

https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  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:C/C:H/I:H/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-2017-16740");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/01/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32bxba_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32awa_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32bxb_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32bwaa_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32awaa_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rockwellautomation:1766-l32bwa_firmware");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Rockwell');

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

var vuln_cpes = {
    "cpe:/o:rockwellautomation:1766-l32bxba_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"},
    "cpe:/o:rockwellautomation:1766-l32awa_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"},
    "cpe:/o:rockwellautomation:1766-l32bxb_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"},
    "cpe:/o:rockwellautomation:1766-l32bwaa_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"},
    "cpe:/o:rockwellautomation:1766-l32awaa_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"},
    "cpe:/o:rockwellautomation:1766-l32bwa_firmware" :
        {"versionEndIncluding" : "21.002", "family" : "MicroLogix1400"}
};

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