SYS.2.3.A15

# SPDX-FileCopyrightText: 2021 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.150603");
  script_version("2023-09-22T05:05:30+0000");
  script_tag(name:"last_modification", value:"2023-09-22 05:05:30 +0000 (Fri, 22 Sep 2023)");
  script_tag(name:"creation_date", value:"2021-03-15 12:19:08 +0000 (Mon, 15 Mar 2021)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:S/C:N/I:N/A:N");
  script_tag(name:"qod", value:"97");
  script_copyright("Copyright (C) 2021 Greenbone AG");

  script_name("SYS.2.3.A15");

  script_category(ACT_GATHER_INFO);
  script_family("IT-Grundschutz");
  script_dependencies("os_detection.nasl", "compliance_tests.nasl",
    "Policy/Linux/Setup/noexec_option_on_dev_shm.nasl",
    "Policy/Linux/Setup/noexec_option_on_var_tmp.nasl",
    "Policy/Linux/Setup/noexec_option_on_tmp.nasl");
  script_mandatory_keys("Compliance/Launch/GSHB-ITG");

  script_xref(name:"URL", value:"https://www.bsi.bund.de/SharedDocs/Downloads/DE/BSI/Grundschutz/Kompendium_Einzel_PDFs_2021/07_SYS_IT_Systeme/SYS_2_3_Clients_unter_Linux_und_Unix_Edition_2021.pdf?__blob=publicationFile&v=2");
  script_tag(name:"summary", value:"Partitionen und Verzeichnisse, in denen Benutzer Schreibrechte
haben, SOLLTEN so gemountet werden, dass keine Dateien ausgefuehrt werden koennen (Mountoption 'noexec').");

  exit(0);
}

include("itg.inc");
include("policy_functions.inc");
include("host_details.inc");
include("os_func.inc");

if (!itg_start_requirement(level:"Kern"))
  exit(0);

title = "Zusaetzlicher Schutz vor der Ausfuehrung unerwuenschter Dateien";

desc = "Folgende Einstellungen werden getestet:
noexec Option fuer Partitionen '/dev/shm', '/tmp' und '/var/tmp'";

oid_list = make_list("1.3.6.1.4.1.25623.1.0.150318",
"1.3.6.1.4.1.25623.1.0.150313",
"1.3.6.1.4.1.25623.1.0.150311");

if (os_host_runs("linux") != "yes"){
  result = itg_result_wrong_target();
  desc = itg_desc_wrong_target();
  itg_set_kb_entries(result:result, desc:desc, title:title, id:"SYS.2.3.A15");
  exit(0);
}

results_list = itg_get_policy_control_result(oid_list:oid_list);
result = itg_translate_result(compliant:results_list["compliant"]);

# Create report matching Greenbone Compliance Report requirements
report = policy_build_report(result:"MULTIPLE", default:"MULTIPLE", compliant:results_list["compliant"],
  fixtext:results_list["solutions"], type:"MULTIPLE", test:results_list["tests"], info:results_list["notes"]);

itg_set_kb_entries(result:result, desc:desc, title:title, id:"SYS.2.3.A15");
itg_report(report:report);

exit(0);