Vulnerabilities > CVE-2011-4957 - Improper Input Validation vulnerability in Wordpress

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

include("compat.inc");

if (description)
{
  script_id(106307);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/04/27");

  script_cve_id("CVE-2011-4956", "CVE-2011-4957");
  script_bugtraq_id(73868, 78357);

  script_name(english:"WordPress < 3.1.1 Multiple Vulnerabilities");
  script_summary(english:"Checks the version of WordPress.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is
affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the WordPress
application running on the remote web server is prior to 3.1.1.
It is, therefore, affected by multiple vulnerabilities, including
cross-site scripting (XSS) and cross-site request forgery (XSRF),
and a denial of service (DoS) vulnerability.

Note that Nessus has not tested for these issues but has instead
relied only on the application's self-reported version number.");
  script_set_attribute(attribute:"see_also", value:"https://wordpress.org/news/2011/04/wordpress-3-1-1/");
  script_set_attribute(attribute:"see_also", value:"https://codex.wordpress.org/Version_3.1.1");
  script_set_attribute(attribute:"solution", value:
"Upgrade to WordPress version 3.1.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:ND");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2011-4957");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/04/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/04/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/01/24");

  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) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("wordpress_detect.nasl");
  script_require_keys("www/PHP", "installed_sw/WordPress", "Settings/ParanoidReport");
  script_require_ports("Services/www", 80, 443);

  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);

if (report_paranoia < 2) audit(AUDIT_PARANOID);

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 = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
  ver[i] = int(ver[i]);

# Versions < 3.1.1 are affected.
if (
  ver[0] < 3 ||
  (ver[0] == 3 && ver[1] < 1) ||
  (ver[0] == 3 && ver[1] == 1 && ver[2] < 1)
)
{
  report =
  '\n  URL               : ' + install_url +
  '\n  Installed version : ' + version +
  '\n  Fixed version     : 3.1.1' +
  '\n';
  security_report_v4(
    severity : SECURITY_WARNING,
    port     : port,
    extra    : report,
    xss      : TRUE,
    xsrf     : TRUE
  );
  exit(0);
}
audit(AUDIT_WEB_APP_NOT_AFFECTED, app, install_url, version);

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2470. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(59093);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2011-3122", "CVE-2011-3125", "CVE-2011-3126", "CVE-2011-3127", "CVE-2011-3128", "CVE-2011-3129", "CVE-2011-3130", "CVE-2011-4956", "CVE-2011-4957", "CVE-2012-2399", "CVE-2012-2400", "CVE-2012-2401", "CVE-2012-2402", "CVE-2012-2403", "CVE-2012-2404");
  script_bugtraq_id(73868);
  script_xref(name:"DSA", value:"2470");

  script_name(english:"Debian DSA-2470-1 : wordpress - several vulnerabilities");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Several vulnerabilities were identified in WordPress, a web blogging
tool. As the CVEs were allocated from releases announcements and
specific fixes are usually not identified, it has been decided to
upgrade the wordpress package to the latest upstream version instead
of backporting the patches.

This means extra care should be taken when upgrading, especially when
using third-party plugins or themes, since compatibility may have been
impacted along the way. We recommend that users check their install
before doing the upgrade."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670124"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/squeeze/wordpress"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2012/dsa-2470"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the wordpress packages.

For the stable distribution (squeeze), those problems have been fixed
in version 3.3.2+dfsg-1~squeeze1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:wordpress");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/05/15");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2012-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"6.0", prefix:"wordpress", reference:"3.3.2+dfsg-1~squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"wordpress-l10n", reference:"3.3.2+dfsg-1~squeeze1")) flag++;

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