Gallery index.php GALLERY_BASEDIR Parameter Remote File Inclusion

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(11876);
  script_version("1.31");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2003-1227");
  script_bugtraq_id(8814);

  script_name(english:"Gallery index.php GALLERY_BASEDIR Parameter Remote File Inclusion");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server is running a PHP application that is affected by
a remote file inclusion vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Gallery hosted on the remote web server is affected by a
remote file inclusion vulnerability due to the application failing to
properly sanitize user-supplied input to the 'GALLERY_BASEDIR' parameter
of the 'index.php' script.  An attacker may use this flaw to inject
arbitrary code in the remote host and gain a shell with the privileges
of the web server user.");
  script_set_attribute(attribute:"see_also", value:"http://galleryproject.org/node/93");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Gallery 1.4-pl2 or 1.4.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:ND");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:X");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2003-1227");

  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(94);

  script_set_attribute(attribute:"vuln_publication_date", value:"2003/10/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2003/10/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2003/10/11");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:gallery_project:gallery");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_ATTACK);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2003-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("gallery_detect.nasl");
  script_require_keys("www/gallery", "www/PHP");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}

#
# The script code starts here
#

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

port = get_http_port(default:80, php:TRUE);

install = get_install_from_kb(
  appname      : "gallery",
  port         : port,
  exit_on_fail : TRUE
);

dir = install["dir"];

r = http_send_recv3(
  method : "GET",
  item   : dir + "/setup/index.php?GALLERY_BASEDIR=http://example.com/",
  port   : port,
  exit_on_fail : TRUE
);

if (egrep(pattern:"http://example.com//?util.php", string:r[2])) security_hole(port);
else audit(AUDIT_WEB_APP_NOT_AFFECTED,"Gallery", build_url(qs:dir,port:port));