Symantec Endpoint Protection Client < 14.3 RU8 Patch 3 / 14.3 RU9 Patch 2 / 14.3 RU10 Patch 1 Multiple Vulnerabilities (36774)

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

include('compat.inc');

if (description)
{
  script_id(297850);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/03");

  script_cve_id("CVE-2025-13918", "CVE-2025-13919");
  script_xref(name:"IAVA", value:"2026-A-0098");

  script_name(english:"Symantec Endpoint Protection Client < 14.3 RU8 Patch 3 / 14.3 RU9 Patch 2 / 14.3 RU10 Patch 1 Multiple Vulnerabilities (36774)");

  script_set_attribute(attribute:"synopsis", value:
"The Symantec Endpoint Protection Client installed on the remote host is affected by a multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Symantec Endpoint Protection (SEP) Client installed on the remote host is affected by a multiple 
vulnerabilities as referenced in the 36774 advisory. 

  - Symantec Endpoint Protection, prior to 14.3 RU10 Patch 1, RU9 Patch 2, and RU8 Patch 3, may be 
    susceptible to a Elevation of Privilege vulnerability, which is a type of issue whereby an attacker may 
    attempt to compromise the software application to gain elevated access to resources that are normally 
    protected from an application or user. (CVE-2025-13918)

  - Symantec Endpoint Protection, prior to 14.3 RU10 Patch 1, RU9 Patch 2, and RU8 Patch 3, may be 
    susceptible to a COM Hijacking vulnerability, which is a type of issue whereby an attacker attempts to 
    establish persistence and evade detection by hijacking COM references in the Windows Registry.
    (CVE-2025-13919)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36774
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dc0b632a");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Symantec Endpoint Protection Client version RU8 Patch 3, RU9 Patch 2 and 14.3 RU10 Patch 1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-13919");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2025-13918");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/01/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/11/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:symantec:endpoint_protection");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("savce_installed.nasl");
  script_require_keys("Antivirus/SAVCE/version");
  script_require_ports(139, 445);

  exit(0);
}

var app = 'Symantec Endpoint Protection Client';

var display_ver = get_kb_item_or_exit('Antivirus/SAVCE/version');
var edition = get_kb_item('Antivirus/SAVCE/edition');
if(get_kb_item('SMB/svc/ssSpnAv')) audit(AUDIT_INST_VER_NOT_VULN, 'Symantec.cloud Endpoint Protection');

if (empty_or_null(edition)) edition = '';
else if (edition == 'sepsb') app += ' Small Business Edition';

var port, report, fixed_ver;
var vuln = FALSE;

# https://knowledge.broadcom.com/external/article/154575
if (ver_compare(ver:display_ver, fix:'14.3.10178.8000', minver:'0.0', strict:FALSE) == -1)
{
  vuln = TRUE;
  fixed_ver = '14.3.10178.8000';
}
else if (ver_compare(ver:display_ver, fix:'14.3.11237.9000', minver:'14.3.11232.9000', strict:FALSE) == -1)
{
  vuln = TRUE;
  fixed_ver = '14.3.11237.9000';
}
else if (ver_compare(ver:display_ver, fix:'14.3.12167.10000', minver:'14.3.12154.10000', strict:FALSE) == -1)
{
  vuln = TRUE;
  fixed_ver = '14.3.12167.10000';
}

if (vuln)
{
  port = get_kb_item('SMB/transport');
  if (!port) port = 445;

  report =
    '\n  Product           : ' + app +
    '\n  Installed version : ' + display_ver +
    '\n  Fixed version     : ' + fixed_ver +
    '\n';
  security_report_v4(severity:SECURITY_WARNING, port:port, extra:report);
}
else audit(AUDIT_INST_VER_NOT_VULN, app, display_ver);