PHP Security Bypass and File Writing Vulnerabilities (Dec 2008)

# SPDX-FileCopyrightText: 2008 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("1.3.6.1.4.1.25623.1.0.900184");
  script_version("2025-09-24T05:39:03+0000");
  script_tag(name:"last_modification", value:"2025-09-24 05:39:03 +0000 (Wed, 24 Sep 2025)");
  script_tag(name:"creation_date", value:"2008-12-26 14:23:17 +0100 (Fri, 26 Dec 2008)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

  script_cve_id("CVE-2008-5624", "CVE-2008-5625", "CVE-2008-5658");

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

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

  script_name("PHP Security Bypass and File Writing Vulnerabilities (Dec 2008)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_php_consolidation.nasl");
  script_mandatory_keys("php/detected");

  script_tag(name:"summary", value:"PHP is prone to a security bypass and a file writing
  vulnerability.");

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

  script_tag(name:"insight", value:"The following flaws exist:

  - CVE-2008-5624: Error in initialization of 'page_uid' and 'page_gid' global variables for use by
  the SAPI 'php_getuid' function, which bypass the safe_mode restrictions.

  - CVE-2008-5625: 'error_log' safe_mode restrictions are not enforced when 'safe_mode' is enabled
  through a 'php_admin_flag' setting in 'httpd.conf' file.

  - CVE-2008-5658: Directory traversal vulnerability in 'ZipArchive::extractTo' function which
  allows attacker to write files via a ZIP file.");

  script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to write
  arbitrary file, bypass security restrictions and cause directory traversal attacks.");

  script_tag(name:"affected", value:"PHP versions 5.x prior to 5.2.7.");

  script_tag(name:"solution", value:"Update to version 5.2.7 or later.");

  script_xref(name:"URL", value:"http://www.php.net/ChangeLog-5.php#5.2.7");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32383");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32625");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32688");
  script_xref(name:"URL", value:"http://www.php.net/archive/2008.php#id2008-12-07-1");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/archive/1/498985/100/0/threaded");

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

if (version_in_range(version: version, test_version: "5.0", test_version2: "5.2.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.2.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);