Apache HTTP Server 'mod_proxy' Content-length Buffer Overflow Vulnerabilities

# SPDX-FileCopyrightText: 2004 David Maciejak
# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.15555");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/10508");
  script_cve_id("CVE-2004-0492");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_name("Apache HTTP Server 'mod_proxy' Content-length Buffer Overflow Vulnerabilities");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2004 David Maciejak");
  script_family("Web Servers");
  script_dependencies("gb_apache_http_server_consolidation.nasl");
  script_mandatory_keys("apache/http_server/detected");

  script_tag(name:"solution", value:"Don't use mod_proxy or upgrade to a newer version.");

  script_tag(name:"summary", value:"The remote web server appears to be running a version of
  Apache HTTP Server that is older than version 1.3.32.

  This version is vulnerable to a heap based buffer overflow in proxy_util.c
  for mod_proxy.");

  script_tag(name:"impact", value:"This issue may lead remote attackers to cause a denial of
  service and possibly execute arbitrary code on the server.");

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

  exit(0);
}

CPE = "cpe:/a:apache:http_server";

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 );

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

if( version_is_less( version: version, test_version: "1.3.32" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "1.3.32", install_path: location );
  security_message( data: report, port: port );
  exit( 0 );
}

exit( 99 );