TrueConf Server < 5.3.9.10013 / 5.4.9.10018 / 5.5.5.10010 Multiple Vulnerabilities

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

include('compat.inc');

if (description)
{
  script_id(345895);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/16");

  script_cve_id("CVE-2026-72529", "CVE-2026-72530");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/08/23");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/09/03");

  script_name(english:"TrueConf Server < 5.3.9.10013 / 5.4.9.10018 / 5.5.5.10010 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"The version of TrueConf Server for Windows / Linuxinstalled on the remote host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of TrueConf Server installed on the remote host is prior to 5.3.9.10013, 5.4.9.10018, or
5.5.5.10010. It is, therefore, affected by multiple vulnerabilities:

  - A remote unauthenticated attacker connecting to TrueConf Server over 4307/TCP can invoke an undocumented
    critical function and execute an arbitrary script on the server. (CVE-2026-72529)

  - A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 
    5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break 
    out of the isolated environment and execute arbitrary code on the host system. (CVE-2026-72530)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://trueconf.com/blog/news/security-fixes-updates-and-advisories
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c84f2184");
  script_set_attribute(attribute:"solution", value:
"Update to TrueConf Windows Server version 5.3.9.10013 / 5.4.9.10018 / 5.5.5.10010 or later.");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC: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_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:A");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-72529");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2026-72530");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:trueconf:trueconf_server");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

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

  script_dependencies("trueconf_server_win_installed.nbin", "trueconf_server_linux_installed.nbin");
  script_require_keys("installed_sw/TrueConf Server");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'TrueConf Server', 'type': 'app'},
      'requires': [{'scope': 'target', 'match': {'os': 'windows'}}],
      'check_algorithm': 'default',
      'constraints' : [
          {'min_version' : '5.3', 'fixed_version' : '5.3.9.10013'},
          {'min_version' : '5.4', 'fixed_version' : '5.4.9.10018'},
          {'min_version' : '5.5', 'fixed_version' : '5.5.5.10010'}
      ]
    },
    {
      'product': {'name': 'TrueConf Server', 'type': 'app'},
      'requires': [{'scope': 'target', 'match': {'os': 'linux'}}],
      'check_algorithm': 'default',
      'constraints' : [
          {'min_version' : '5.3', 'fixed_version' : '5.3.9.10015'},
          {'min_version' : '5.4', 'fixed_version' : '5.4.9.10019'},
          {'min_version' : '5.5', 'fixed_version' : '5.5.5.10009'}
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);