Samba 4.0.0 <= 4.3.2 Multiple Vulnerabilities

# 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

CPE = "cpe:/a:samba:samba";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.150736");
  script_version("2025-12-11T05:46:19+0000");
  script_tag(name:"last_modification", value:"2025-12-11 05:46:19 +0000 (Thu, 11 Dec 2025)");
  script_tag(name:"creation_date", value:"2021-09-24 10:59:30 +0000 (Fri, 24 Sep 2021)");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-29 20:21:00 +0000 (Mon, 29 Aug 2022)");

  script_cve_id("CVE-2015-3223", "CVE-2015-5330", "CVE-2015-8467");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Samba 4.0.0 <= 4.3.2 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("smb_nativelanman.nasl", "gb_samba_detect.nasl");
  script_mandatory_keys("samba/smb_or_ssh/detected");

  script_tag(name:"summary", value:"Samba is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"- CVE-2015-3223:

  Malicious request can cause Samba LDAP server to hang, spinning using CPU.

  - CVE-2015-5330:

  Malicious request can cause Samba LDAP server to return uninitialized memory that should not be
  part of the reply.

  - CVE-2015-8467:

  Samba can expose Windows DCs to MS15-096 Denial of service via the creation of multiple machine
  accounts.");

  script_tag(name:"affected", value:"Samba versions 4.0.0 through 4.1.21, 4.2.0 through 4.2.6 and
  4.3.0 through 4.3.2.");

  script_tag(name:"solution", value:"Update to version 4.1.22, 4.2.7, 4.3.3 or later.");

  script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2015-3223.html");
  script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2015-5330.html");
  script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2015-8467.html");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_in_range(version: version, test_version: "4.0.0", test_version2: "4.1.21")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.1.22", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "4.2.0", test_version2: "4.2.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.2.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "4.3.0", test_version2: "4.3.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.3.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);