Apache HTTP Server Linefeed Memory Allocation Denial Of Service 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:apache:http_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100171");
  script_version("2023-10-27T16:11:32+0000");
  script_tag(name:"last_modification", value:"2023-10-27 16:11:32 +0000 (Fri, 27 Oct 2023)");
  script_tag(name:"creation_date", value:"2009-05-02 19:46:33 +0200 (Sat, 02 May 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:N/A:P");
  script_cve_id("CVE-2003-0132");
  script_name("Apache HTTP Server Linefeed Memory Allocation Denial Of Service Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_apache_http_server_consolidation.nasl");
  script_mandatory_keys("apache/http_server/detected");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/7254");

  script_tag(name:"insight", value:"This issue occurs because of the way that Apache handles
  excessive amounts of consecutive linefeed characters.");

  script_tag(name:"solution", value:"This vulnerability does not affect Apache 2.0.45. Users are advised to upgrade.");

  script_tag(name:"summary", value:"Apache HTTP Server 2.0 is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"impact", value:"The server may allocate large amounts of memory, resulting in a denial of
  service.");

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

  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, version_regex:"^[0-9]+\.[0-9]+\.[0-9]+" ) )
  exit( 0 );

vers = infos["version"];
path = infos["location"];

if( version_is_less( version:vers, test_version:"2.0.45" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"2.0.45", install_path:path );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );