Samba 3.0.0 <= 3.0.6 Multiple Vulnerabilities

# Copyright (C) 2021 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.150718");
  script_version("2021-09-29T04:35:02+0000");
  script_tag(name:"last_modification", value:"2021-09-29 04:35:02 +0000 (Wed, 29 Sep 2021)");
  script_tag(name:"creation_date", value:"2021-09-24 10:59:30 +0000 (Fri, 24 Sep 2021)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_cve_id("CVE-2004-0807", "CVE-2004-0808");

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

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

  script_name("Samba 3.0.0 <= 3.0.6 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  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 3.0.x <= 3.0.6 DoS Vulnerabilities");

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

  script_tag(name:"insight", value:"- CVE-2004-0807:

  A defect in smbd's ASN.1 parsing allows an
  attacker to send a specially crafted packet during the
  authentication request which will send the newly spawned
  smbd process into an infinite loop.  Given enough of these
  packets, it is possible to exhaust the available memory
  on the server.

  - CVE-2004-0808:

  A defect in nmbd's process of mailslot packets
  can allow an attacker to anonymously crash nmbd.");

  script_tag(name:"affected", value:"Samba versions 3.0.0 through 3.0.6.");

  script_tag(name:"solution", value:"Update to version 3.0.7 or later.");

  script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2004-0807_CVE-2004-0808.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: "3.0.0", test_version2: "3.0.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.0.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);