PHP Memory Disclosure Vulnerability - Linux

# SPDX-FileCopyrightText: 2019 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:php:php";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.142046");
  script_version("2024-02-15T05:05:40+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2019-02-26 10:21:31 +0700 (Tue, 26 Feb 2019)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-06-18 18:15:00 +0000 (Tue, 18 Jun 2019)");

  script_cve_id("CVE-2019-9022");

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

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

  script_name("PHP Memory Disclosure Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_php_ssh_login_detect.nasl", "gb_php_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("php/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"dns_get_record misparses a DNS response, which can allow a hostile DNS server
to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This
affects php_parserr in ext/standard/dns.c for DNS_CAA and DNS_ANY queries.");

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

  script_tag(name:"affected", value:"PHP version 7.x before 7.1.26, 7.2.x before 7.2.14 and 7.3.x before 7.3.2.");

  script_tag(name:"solution", value:"Update to version 7.1.26, 7.2.14, 7.3.2 or later.");

  script_xref(name:"URL", value:"https://bugs.php.net/bug.php?id=77369");

  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'];
path = infos['location'];

if (version_in_range(version: version, test_version: "7.0", test_version2: "7.1.25")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.1.26", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "7.2", test_version2: "7.2.13")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.2.14", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "7.3", test_version2: "7.3.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.3.2", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);