phpBB < 3.0.4 Authentication Bypass 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-only

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100086");
  script_version("2026-05-21T06:54:30+0000");
  script_tag(name:"last_modification", value:"2026-05-21 06:54:30 +0000 (Thu, 21 May 2026)");
  script_tag(name:"creation_date", value:"2009-03-29 17:14:47 +0200 (Sun, 29 Mar 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");

  script_cve_id("CVE-2008-6506");

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

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

  script_name("phpBB < 3.0.4 Authentication Bypass Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_phpbb_http_detect.nasl");
  script_mandatory_keys("phpbb/detected");

  script_tag(name:"summary", value:"phpBB is prone to an authentication bypass vulnerability
  because it fails to properly enforce privilege requirements on some operations.");

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

  script_tag(name:"impact", value:"Attackers can exploit this vulnerability to gain unauthorized
  access to the affected application, which may aid in further attacks.");

  script_tag(name:"affected", value:"phpBB prior to version 3.0.4.");

  script_tag(name:"solution", value:"Update to version 3.0.4 or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32842");

  exit(0);
}

include("version_func.inc");
include("host_details.inc");

if( ! 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"];
location = infos["location"];

if( version_is_less( version:vers, test_version:"3.0.4" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"3.0.4", install_path:location );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );