Rockwell Automation Stratix Network Time Protocol ntpd Multiple Integer Overflow Read Access Violations (CVE-2015-7848)

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

include('compat.inc');

if (description)
{
  script_id(501791);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2015-7848");
  script_xref(name:"ICSA", value:"17-094-04");

  script_name(english:"Rockwell Automation Stratix Network Time Protocol ntpd Multiple Integer Overflow Read Access Violations (CVE-2015-7848)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Multiple Cisco products incorporate a version of the ntpd package. 
Versions of this package are affected by one or more vulnerabilities 
that could allow an unauthenticated, remote attacker to create a denial 
of service (DoS) condition or modify the time being advertised by a 
device acting as a network time protocol (NTP) server. 

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cea8823e");
# https://www.rockwellautomation.com/en-us/support/advisory.PN965.html
# script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?141f2981");
  # https://www.cisa.gov/news-events/ics-advisories/icsa-17-094-04
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c7bf8ef2");
  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 has provided a new firmware version, Version 15.6.3, to mitigate these vulnerabilities.

Rockwell Automation encourages users of the affected versions to update to the latest available software versions
addressing the associated risk, and including improvements to further harden the software and enhance its resilience
against similar malicious attacks. Users can find the latest firmware version by searching for their device at the
following web site:

http://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?famID=15

Additional precautions and risk mitigation strategies specific to these types of attacks are recommended in the Rockwell
Automation security release. When possible, multiple strategies should be implemented simultaneously.

https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1041191

Please also refer to Cisco's security advisories (linked below) for additional workarounds and details for these
vulnerabilities.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/S:U/C:N/I:N/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-2015-7848");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(755);

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/15");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:rockwellautomation:allen-bradley_stratix_5900_industrial_managed_ethernet_switch");
  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) 2023-2026 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:/h:rockwellautomation:allen-bradley_stratix_5900_industrial_managed_ethernet_switch" :
        {"versionEndExcluding" : "15.6.3", "family" : "Stratix"}
};

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