PostgreSQL Conversion Encoding Remote Denial of Service Vulnerability

# SPDX-FileCopyrightText: 2009 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-or-later

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100157");
  script_version("2023-04-18T10:19:20+0000");
  script_tag(name:"last_modification", value:"2023-04-18 10:19:20 +0000 (Tue, 18 Apr 2023)");
  script_tag(name:"creation_date", value:"2009-04-24 20:04:08 +0200 (Fri, 24 Apr 2009)");
  script_cve_id("CVE-2009-0922");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:N/A:P");
  script_name("PostgreSQL Conversion Encoding Remote Denial of Service Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_family("Databases");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("postgresql_detect.nasl", "secpod_postgresql_detect_lin.nasl", "secpod_postgresql_detect_win.nasl");
  script_mandatory_keys("postgresql/detected");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34090");

  script_tag(name:"summary", value:"PostgreSQL is prone to a remote denial-of-service vulnerability.");

  script_tag(name:"impact", value:"Exploiting this issue may allow attackers to terminate connections
  to the PostgreSQL server, denying service to legitimate users.");

  script_tag(name:"solution", value:"Updates are available. Update to newer Version.");

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

  exit(0);
}

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"];
loc = infos["location"];

if( version_in_range( version:vers, test_version:"8.3", test_version2:"8.3.6" ) ||
    version_in_range( version:vers, test_version:"8.2", test_version2:"8.2.6" ) ||
    version_in_range( version:vers, test_version:"8.1", test_version2:"8.1.11" ) ||
    version_in_range( version:vers, test_version:"8.0", test_version2:"8.0.17" ) ||
    version_in_range( version:vers, test_version:"7.4", test_version2:"7.4.19" ) ||
    version_in_range( version:vers, test_version:"7.3", test_version2:"7.3.21" ) ||
    version_in_range( version:vers, test_version:"7.2", test_version2:"7.2.7" ) ||
    version_in_range( version:vers, test_version:"7.1", test_version2:"7.1.3" ) ||
    version_in_range( version:vers, test_version:"7.0", test_version2:"7.0.3" ) ||
    version_in_range( version:vers, test_version:"6.5", test_version2:"6.5.3" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"See references", install_path:loc );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );