PostgreSQL 'bitsubstr' Buffer Overflow Vulnerability

# SPDX-FileCopyrightText: 2010 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:postgresql:postgresql";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100470");
  script_version("2023-07-28T16:09:07+0000");
  script_tag(name:"last_modification", value:"2023-07-28 16:09:07 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2010-01-28 18:48:47 +0100 (Thu, 28 Jan 2010)");
  script_cve_id("CVE-2010-0442");
  script_tag(name:"cvss_base", value:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_name("PostgreSQL 'bitsubstr' Buffer Overflow Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_family("Databases");
  script_copyright("Copyright (C) 2010 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/37973");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/55902");
  script_xref(name:"URL", value:"http://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html");

  script_tag(name:"summary", value:"PostgreSQL is prone to a buffer-overflow vulnerability because the
  application fails to perform adequate boundary checks on user-supplied data.");

  script_tag(name:"impact", value:"Attackers can exploit this issue to execute arbitrary code with
  elevated privileges or crash the affected application.");

  script_tag(name:"affected", value:"PostgreSQL version 8.0.x, 8.1.x, 8.3.x is vulnerable. Other versions may also be affected.");

  script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");

  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:"8.0", test_version2:"8.0.23" ) ||
    version_in_range( version:vers, test_version:"8.1", test_version2:"8.1.11" ) ||
    version_in_range( version:vers, test_version:"8.3", test_version2:"8.3.8" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"See references", install_path:loc );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );