Check Point Gaia Operating System (sk1000171)

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

include('compat.inc');

if (description)
{
  script_id(362382);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/01");

  script_cve_id("CVE-2026-93616");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/09/22");

  script_name(english:"Check Point Gaia Operating System (sk1000171)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"The remote host is missing a hotfix for the Gaia Operating System. It is, therefore, affected by a vulnerability as
referenced in the sk1000171 advisory.

  - A path traversal and arbitrary file upload vulnerability in Check Point Security Management
    Server, Multi-Domain Security Management Server, Log Server, Multi-Domain Log Server, and
    SmartEvent allows an unauthenticated attacker to upload and execute arbitrary scripts.
    (CVE-2026-93616)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?528d65cf");
  script_set_attribute(attribute:"see_also", value:"https://support.checkpoint.com/results/sk/sk1000171");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant patch referenced in the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-93616");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/01");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:check_point:gaia_os");
  script_end_attributes();

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

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

  script_dependencies("check_point_gaia_os_version.nbin");
  script_require_keys("Host/Check_Point/version", "Host/Check_Point/installed_hotfixes", "Settings/ParanoidReport");

  exit(0);
}

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var app_name = 'Gaia Operating System';
var version  = get_kb_item_or_exit('Host/Check_Point/version');
var hfs      = get_kb_item_or_exit('Host/Check_Point/installed_hotfixes');
var jumbo_hf = get_kb_item('Host/Check_Point/jumbo_hf');
var vuln     = FALSE;
var fix;

if (version == 'R82.20')
{
  if ('sk1000171' >!< hfs)
  {
    vuln = TRUE;
    fix = 'Apply hotfix sk1000171';
  }
}
else if (version == 'R82.10')
{
  if ('sk1000171' >!< hfs && (empty_or_null(jumbo_hf) || int(jumbo_hf) < 45))
  {
    vuln = TRUE;
    fix = 'Jumbo Hotfix Accumulator for R82.10 Take 45 or above';
  }
}
else if (version == 'R82' || version == 'R82.00')
{
  if ('sk1000171' >!< hfs && (empty_or_null(jumbo_hf) || int(jumbo_hf) < 127))
  {
    vuln = TRUE;
    fix = 'Jumbo Hotfix Accumulator for R82 Take 127 or above';
  }
}
else if (version == 'R81.20')
{
  if ('sk1000171' >!< hfs && (empty_or_null(jumbo_hf) || int(jumbo_hf) < 170))
  {
    vuln = TRUE;
    fix = 'Jumbo Hotfix Accumulator for R81.20 Take 170 or above';
  }
}
else if (version == 'R81.10')
{
  if ('sk1000171' >!< hfs && (empty_or_null(jumbo_hf) || int(jumbo_hf) < 192))
  {
    vuln = TRUE;
    fix = 'Jumbo Hotfix Accumulator for R81.10 Take 192 or above';
  }
}
else if (version == 'R81')
{
  vuln = TRUE;
  fix = 'Upgrade to a supported release. No hotfix is available for this end-of-support version.';
}
else
  audit(AUDIT_DEVICE_NOT_VULN, 'The remote device running ' + app_name + ' (version ' + version + ')');

if (vuln)
{
  var report = '\n  Installed version : ' + version;
  if (!empty_or_null(jumbo_hf) && int(jumbo_hf) > 0)
    report += ' with Jumbo Hotfix Take ' + jumbo_hf;
  report +=
    '\n  Fix               : ' + fix +
    '\n';
  security_report_v4(port:0, severity:SECURITY_HOLE, extra:report);
}
else
  audit(AUDIT_DEVICE_NOT_VULN, 'The remote device running ' + app_name + ' (version ' + version + ')');