Vulnerabilities > CVE-2009-2762 - Credentials Management vulnerability in Wordpress

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2018 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(40583);
  script_version("1.14");
  script_cvs_date("Date: 2019/08/02 13:32:39");

  script_cve_id("CVE-2009-2762");
  script_xref(name:"EDB-ID", value:"9410");

  script_name(english:"FreeBSD : wordpress -- remote admin password reset vulnerability (2430e9c3-8741-11de-938e-003048590f9e)");
  script_summary(english:"Checks for updated packages in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote FreeBSD host is missing one or more security-related
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"WordPress reports :

A specially crafted URL could be requested that would allow an
attacker to bypass a security check to verify a user requested a
password reset. As a result, the first account without a key in the
database (usually the admin account) would have its password reset and
a new password would be emailed to the account owner."
  );
  # http://wordpress.org/development/2009/08/2-8-4-security-release/
  script_set_attribute(
    attribute:"see_also",
    value:"https://wordpress.org/news/2009/08/2-8-4-security-release/"
  );
  # https://vuxml.freebsd.org/freebsd/2430e9c3-8741-11de-938e-003048590f9e.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d6ea8f24"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(255);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:de-wordpress");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:wordpress");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:wordpress-mu");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/08/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2009/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/08/13");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("audit.inc");
include("freebsd_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"wordpress<2.8.4,1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"de-wordpress<2.8.4")) flag++;
if (pkg_test(save_report:TRUE, pkg:"wordpress-mu<2.8.4a")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(40578);
  script_version("1.19");
  script_cvs_date("Date: 2018/11/15 20:50:19");

  script_cve_id("CVE-2009-2762");
  script_bugtraq_id(36014);
  script_xref(name:"EDB-ID", value:"9410");
  script_xref(name:"Secunia", value:"36237");

  script_name(english:"WordPress < 2.8.4 'wp-login.php' 'key' Parameter Remote Administrator Password Reset (uncredentialed check)");
  script_summary(english:"Checks version of WordPress.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is affected by a
security bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its version number, the version of WordPress running on
the remote server has a flaw in the password reset mechanism.
Validation of the secret user activation key can be bypassed by
providing an array instead of a string. This allows anyone to reset
the password of the first user in the database, which is usually the
administrator. A remote attacker can use this to repeatedly reset the
password, leading to a denial of service condition.");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/fulldisclosure/2009/Aug/113");
  script_set_attribute(attribute:"see_also", value:"https://core.trac.wordpress.org/changeset/11798");
  script_set_attribute(attribute:"see_also", value:"https://wordpress.org/news/2009/08/2-8-4-security-release/");
  script_set_attribute(attribute:"solution", value:"Upgrade to WordPress 2.8.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(255);

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/08/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2009/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/08/12");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:wordpress:wordpress");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");

  script_dependencies("wordpress_detect.nasl");
  script_require_keys("www/PHP", "installed_sw/WordPress", "Settings/ParanoidReport");
  script_require_ports("Services/www", 80);

  exit(0);
}

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

app = "WordPress";
get_install_count(app_name:app, exit_if_zero:TRUE);

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

install = get_single_install(
  app_name : app,
  port     : port,
  exit_if_unknown_ver : TRUE
);

dir = install['path'];
version = install['version'];
install_url = build_url(port:port, qs:dir);

if (report_paranoia < 2) audit(AUDIT_PARANOID);

ver_fields = split(version, sep:'.', keep:FALSE);
major = int(ver_fields[0]);
minor = int(ver_fields[1]);
rev = int(ver_fields[2]);

# Versions < 2.8.4 are affected
if (
  major < 2 ||
  (major == 2 && minor < 8) ||
  (major == 2 && minor == 8 && rev < 4)
)
{
  if (report_verbosity > 0)
  {
    report =
      '\n URL               : ' + install_url +
      '\n Installed version : ' + version +
      '\n Fixed version     : 2.8.4\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
  exit(0);
}
else
  audit(AUDIT_WEB_APP_NOT_AFFECTED, app, install_url, version);

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(40577);
  script_version("1.18");
  script_cvs_date("Date: 2018/11/15 20:50:19");

  script_cve_id("CVE-2009-2762");
  script_bugtraq_id(36014);
  script_xref(name:"EDB-ID", value:"9410");
  script_xref(name:"Secunia", value:"36237");

  script_name(english:"WordPress < 2.8.4 Password Reset");
  script_summary(english:"Attempts to do a password reset.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is affected by a
security bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of WordPress hosted on the remote web server has a flaw in
the password reset mechanism. Validation of the secret user activation
key can be bypassed by providing an array instead of a string. This
allows anyone to reset the password of the first user in the database,
which is usually the administrator. A remote attacker can use this to
repeatedly reset the password, leading to a denial of service
condition.");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/fulldisclosure/2009/Aug/113");
  script_set_attribute(attribute:"see_also", value:"https://core.trac.wordpress.org/changeset/11798");
  script_set_attribute(attribute:"see_also", value:"https://wordpress.org/news/2009/08/2-8-4-security-release/");
  script_set_attribute(attribute:"solution", value:"Upgrade to WordPress 2.8.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(255);

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/08/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2009/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/08/12");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:wordpress:wordpress");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");

  script_dependencies("wordpress_detect.nasl");
  script_require_keys("installed_sw/WordPress", "www/PHP");
  script_require_ports("Services/www", 80);

  exit(0);
}

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

app = "WordPress";
get_install_count(app_name:app, exit_if_zero:TRUE);

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

install = get_single_install(
  app_name : app,
  port     : port
);

dir = install['path'];
install_url = build_url(port:port, qs:dir);

url = '/wp-login.php?action=rp&key[]=';
res = http_send_recv3(method:"GET", item:dir+url, port:port, exit_on_fail:TRUE);

# If the system is vulnerable, it will redirect to:
#   wp-login.php?checkemail=newpass
# If it's patched, it will redirect to:
#   wp-login.php?action=lostpassword&error=invalidkey
if ('Location: wp-login.php?checkemail=newpass' >< res[1])
{
  if (report_verbosity > 0)
  {
    report =
      '\n' +
      'Nessus requested the following URL :\n\n' +
      '  ' + install_url + url + '\n\n' +
      'which resulted in the password reset of a WordPress account on the\n' +
      'remote host. The affected user will likely receive an email\n' +
      'informing them of this.\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
  exit(0);
}
else audit(AUDIT_WEB_APP_NOT_AFFECTED, app, install_url);