PostgreSQL < 7.3.19, 7.4.x < 7.4.17, 8.0.x < 8.0.13, 8.1.x < 8.1.9, and 8.2.x < 8.2.4 Untrusted Search Path Vulnerability - Windows

# Copyright (C) 2018 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112398");
  script_version("2022-04-13T07:21:45+0000");
  script_cve_id("CVE-2007-2138");
  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:"last_modification", value:"2022-04-13 07:21:45 +0000 (Wed, 13 Apr 2022)");
  script_tag(name:"creation_date", value:"2018-10-23 13:37:11 +0200 (Tue, 23 Oct 2018)");
  script_tag(name:"qod_type", value:"remote_banner");
  script_name("PostgreSQL < 7.3.19, 7.4.x < 7.4.17, 8.0.x < 8.0.13, 8.1.x < 8.1.9, and 8.2.x < 8.2.4 Untrusted Search Path Vulnerability - Windows");

  script_tag(name:"summary", value:"PostgreSQL is prone to an untrusted search path vulnerability.");

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

  script_tag(name:"insight", value:"Untrusted search path vulnerability in PostgreSQL allows remote authenticated users,
  when permitted to call a SECURITY DEFINER function, to gain the privileges of the function owner, related to 'search_path settings'.");

  script_tag(name:"affected", value:"PostgreSQL versions before 7.3.19, 7.4.x before 7.4.17, 8.0.x before 8.0.13,
  8.1.x before 8.1.9, and 8.2.x before 8.2.4.");

  script_tag(name:"solution", value:"Update to version 7.3.19, 7.4.17, 8.0.13, 8.1.9, or 8.2.4 respectively.");

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

  script_xref(name:"URL", value:"https://www.securitytracker.com/id?1017974");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/23618");
  script_xref(name:"URL", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/33842");

  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("Databases");
  script_dependencies("postgresql_detect.nasl", "secpod_postgresql_detect_lin.nasl", "secpod_postgresql_detect_win.nasl", "os_detection.nasl");
  script_mandatory_keys("postgresql/detected", "Host/runs_windows");
  exit(0);
}

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

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

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

if(version_is_less(version:vers, test_version:"7.3.19")) {
  fix = "7.3.19";
}

else if(vers =~ "^7\.4\.") {
  if(version_is_less(version:vers, test_version:"7.4.17")) {
    fix = "7.4.17";
  }
}

else if(vers =~ "^8\.0\.") {
  if(version_is_less(version:vers, test_version:"8.0.13")) {
    fix = "8.0.13";
  }
}

else if(vers =~ "^8\.1\.") {
  if(version_is_less(version:vers, test_version:"8.1.9")) {
    fix = "8.1.9";
  }
}

else if(vers =~ "^8\.2\.") {
  if(version_is_less(version:vers, test_version:"8.2.4")) {
    fix = "8.2.4";
  }
}

if(fix) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);