PostgreSQL 'Interactive Installer' Arbitrary Code Execution Vulnerability - Linux

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.814222");
  script_version("2024-07-19T05:05:32+0000");
  script_cve_id("CVE-2016-7048");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2024-07-19 05:05:32 +0000 (Fri, 19 Jul 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-01-19 20:09:00 +0000 (Thu, 19 Jan 2023)");
  script_tag(name:"creation_date", value:"2018-09-28 11:44:36 +0530 (Fri, 28 Sep 2018)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("PostgreSQL 'Interactive Installer' Arbitrary Code Execution Vulnerability - Linux");

  script_tag(name:"summary", value:"PostgreSQL is prone to an arbitrary code execution vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists as interactive installer
  downloads software over plain HTTP and then executes it.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to execute arbitrary code on the affected system.");

  script_tag(name:"affected", value:"PostgreSQL versions 9.3.x prior to 9.3.15,
  9.4.x prior to 9.4.10 and 9.5.x prior to 9.5.5.");

  script_tag(name:"solution", value:"Update to version 9.3.15 or
  9.4.10 or 9.5.5 or later. Please see the references for more information.");

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

  script_xref(name:"URL", value:"https://access.redhat.com/security/cve/cve-2016-7048");

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Databases");
  script_dependencies("gb_postgresql_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("postgresql/detected", "Host/runs_unixoide");
  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(vers =~ "^9\.5\.") {
  if(version_is_less(version:vers, test_version: "9.5.5")) {
    fix = "9.5.5";
 }
}

else if(vers =~ "^9\.4\.") {
  if(version_is_less(version:vers, test_version: "9.4.10")) {
    fix = "9.4.10";
  }
}

else if(vers =~ "^9\.3") {
  if(version_is_less(version:vers, test_version: "9.3.15")) {
    fix = "9.3.15";
  }
}

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

exit(99);