Beckhoff TwinCAT Read Access Violation (CVE-2011-3486)

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

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

if (description)
{
  script_id(500331);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/12");

  script_cve_id("CVE-2011-3486");
  script_xref(name:"OSVDB", value:"75495");

  script_name(english:"Beckhoff TwinCAT Read Access Violation (CVE-2011-3486)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to
UDP port 48899, which triggers an out-of-bounds read.  

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://aluigi.altervista.org/adv/twincat_1-adv.txt");
  script_set_attribute(attribute:"see_also", value:"http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf");
  script_set_attribute(attribute:"see_also", value:"http://osvdb.org/75495");
  script_set_attribute(attribute:"see_also", value:"http://securityreason.com/securityalert/8380");
  script_set_attribute(attribute:"see_also", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/69765");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  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_attribute(attribute:"cvss_score_source", value:"CVE-2011-3486");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/09/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/09/16");
  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:/a:beckhoff:twincat");
  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) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Beckhoff');

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

var vuln_cpes = {
    "cpe:/a:beckhoff:twincat" :
        {"versionStartIncluding" : "2.10", "versionEndIncluding" : "2.11.2004", "family" : "BeckhoffCSeries"}
};

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