Vulnerabilities > CVE-2017-5493 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in Wordpress
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_B180D1FBDAC611E6AE1B002590263BF5.NASL description Aaron D. Campbell reports : WordPress versions 4.7 and earlier are affected by eight security issues... last seen 2020-06-01 modified 2020-06-02 plugin id 96513 published 2017-01-16 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/96513 title FreeBSD : wordpress -- multiple vulnerabilities (b180d1fb-dac6-11e6-ae1b-002590263bf5) code # # (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(96513); script_version("3.8"); script_cvs_date("Date: 2019/04/10 16:10:17"); script_cve_id("CVE-2017-5487", "CVE-2017-5488", "CVE-2017-5489", "CVE-2017-5490", "CVE-2017-5491", "CVE-2017-5492", "CVE-2017-5493"); script_name(english:"FreeBSD : wordpress -- multiple vulnerabilities (b180d1fb-dac6-11e6-ae1b-002590263bf5)"); 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: "Aaron D. Campbell reports : WordPress versions 4.7 and earlier are affected by eight security issues..." ); # http://www.openwall.com/lists/oss-security/2017/01/14/6 script_set_attribute( attribute:"see_also", value:"https://www.openwall.com/lists/oss-security/2017/01/14/6" ); # https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?dede5367" ); # https://vuxml.freebsd.org/freebsd/b180d1fb-dac6-11e6-ae1b-002590263bf5.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?a0d772a6" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); 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:ja-wordpress"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:ru-wordpress"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:wordpress"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:zh-wordpress-zh_CN"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:zh-wordpress-zh_TW"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/11"); script_set_attribute(attribute:"patch_publication_date", value:"2017/01/15"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/16"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2019 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<4.7.1,1")) flag++; if (pkg_test(save_report:TRUE, pkg:"de-wordpress<4.7.1")) flag++; if (pkg_test(save_report:TRUE, pkg:"ja-wordpress<4.7.1")) flag++; if (pkg_test(save_report:TRUE, pkg:"ru-wordpress<4.7.1")) flag++; if (pkg_test(save_report:TRUE, pkg:"zh-wordpress-zh_CN<4.7.1")) flag++; if (pkg_test(save_report:TRUE, pkg:"zh-wordpress-zh_TW<4.7.1")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3779.NASL description Several vulnerabilities were discovered in wordpress, a web blogging tool. They would allow remote attackers to hijack victims last seen 2020-06-01 modified 2020-06-02 plugin id 96932 published 2017-02-02 reporter This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/96932 title Debian DSA-3779-1 : wordpress - security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-3779. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(96932); script_version("3.6"); script_cvs_date("Date: 2018/11/10 11:49:38"); script_cve_id("CVE-2017-5488", "CVE-2017-5489", "CVE-2017-5490", "CVE-2017-5491", "CVE-2017-5492", "CVE-2017-5493", "CVE-2017-5610", "CVE-2017-5611", "CVE-2017-5612"); script_xref(name:"DSA", value:"3779"); script_name(english:"Debian DSA-3779-1 : wordpress - security update"); 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 discovered in wordpress, a web blogging tool. They would allow remote attackers to hijack victims' credentials, access sensitive information, execute arbitrary commands, bypass read and post restrictions, or mount denial-of-service attacks." ); script_set_attribute( attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851310" ); script_set_attribute( attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852767" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/jessie/wordpress" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2017/dsa-3779" ); script_set_attribute( attribute:"solution", value: "Upgrade the wordpress packages. For the stable distribution (jessie), these problems have been fixed in version 4.1+dfsg-1+deb8u12." ); 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:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/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:8.0"); script_set_attribute(attribute:"patch_publication_date", value:"2017/02/01"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/02"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2018 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:"8.0", prefix:"wordpress", reference:"4.1+dfsg-1+deb8u12")) flag++; if (deb_check(release:"8.0", prefix:"wordpress-l10n", reference:"4.1+dfsg-1+deb8u12")) flag++; if (deb_check(release:"8.0", prefix:"wordpress-theme-twentyfifteen", reference:"4.1+dfsg-1+deb8u12")) flag++; if (deb_check(release:"8.0", prefix:"wordpress-theme-twentyfourteen", reference:"4.1+dfsg-1+deb8u12")) flag++; if (deb_check(release:"8.0", prefix:"wordpress-theme-twentythirteen", reference:"4.1+dfsg-1+deb8u12")) 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");
NASL family CGI abuses NASL id WORDPRESS_4_7_1.NASL description According to its self-reported version number, the WordPress application running on the remote web server is prior to 4.7.1. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the PHPMailer component in the class.phpmailer.php script due to improper handling of sender email addresses. An unauthenticated, remote attacker can exploit this to pass extra arguments to the sendmail binary, potentially allowing the attacker to execute arbitrary code. (CVE-2016-10033, CVE-2016-10045) - An information disclosure vulnerability exists in the REST API implementation due to a failure to properly restrict listings of post authors. An unauthenticated, remote attacker can exploit this, via a wp-json/wp/v2/users request, to disclose sensitive information. (CVE-2017-5487) - Multiple cross-site scripting (XSS) vulnerabilities exist in the update-core.php script due to improper validation of input to the plugin name or version header. An unauthenticated, remote attacker can exploit these, via a specially crafted request, to execute arbitrary script code in a user last seen 2020-06-01 modified 2020-06-02 plugin id 96606 published 2017-01-18 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/96606 title WordPress < 4.7.1 Multiple Vulnerabilities code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(96606); script_version("1.13"); script_cvs_date("Date: 2019/11/13"); script_cve_id( "CVE-2016-10033", "CVE-2016-10045", "CVE-2017-5487", "CVE-2017-5488", "CVE-2017-5489", "CVE-2017-5490", "CVE-2017-5491", "CVE-2017-5492", "CVE-2017-5493" ); script_bugtraq_id( 95108, 95130, 95391, 95397, 95399, 95401, 95402, 95406, 95407 ); script_xref(name:"EDB-ID", value:"40968"); script_xref(name:"EDB-ID", value:"40969"); script_xref(name:"EDB-ID", value:"40970"); script_xref(name:"EDB-ID", value:"40964"); script_xref(name:"EDB-ID", value:"40986"); script_name(english:"WordPress < 4.7.1 Multiple Vulnerabilities"); script_summary(english:"Checks the version of WordPress."); script_set_attribute(attribute:"synopsis", value: "A PHP application running on the remote web server 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 4.7.1. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the PHPMailer component in the class.phpmailer.php script due to improper handling of sender email addresses. An unauthenticated, remote attacker can exploit this to pass extra arguments to the sendmail binary, potentially allowing the attacker to execute arbitrary code. (CVE-2016-10033, CVE-2016-10045) - An information disclosure vulnerability exists in the REST API implementation due to a failure to properly restrict listings of post authors. An unauthenticated, remote attacker can exploit this, via a wp-json/wp/v2/users request, to disclose sensitive information. (CVE-2017-5487) - Multiple cross-site scripting (XSS) vulnerabilities exist in the update-core.php script due to improper validation of input to the plugin name or version header. An unauthenticated, remote attacker can exploit these, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-5488) - A cross-site request forgery (XSRF) vulnerability exists due to improper handling of uploaded Flash files. An unauthenticated, remote attacker can exploit this, via a specially crafted Flash file, to hijack the authentication of users. (CVE-2017-5489) - A cross-site scripting (XSS) vulnerability exists in the class-wp-theme.php script due to improper validation of input when handling theme name fallback. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-5490) - A security bypass vulnerability exists in the wp-mail.php script due to improper validation of mail server names. An unauthenticated, remote attacker can exploit this, via a spoofed mail server with the 'mail.example.com' name, to bypass intended security restrictions. (CVE-2017-5491) - A cross-site request forgery (XSRF) vulnerability exists in the widget-editing accessibility-mode feature due to a failure to require multiple steps, explicit confirmation, or a unique token when performing certain sensitive actions for HTTP requests. An unauthenticated, remote attacker can exploit this, by convincing a user to follow a specially crafted URL, to hijack the authentication of users or cause them to edit widgets. (CVE-2017-5492) - A security bypass vulnerability exists in the ms-functions.php script due to the use of weak cryptographic security for multisite activation keys. An unauthenticated, remote attacker can exploit this, via a specially crafted site sign-up or user sign-up, to bypass intended access restrictions. (CVE-2017-5493) Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number."); # https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dede5367"); script_set_attribute(attribute:"see_also", value:"https://codex.wordpress.org/Version_4.7.1"); script_set_attribute(attribute:"see_also", value:"https://core.trac.wordpress.org/query?milestone=4.7.1"); # http://www.eweek.com/security/wordpress-4.7.1-updates-for-8-security-issues script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f07608c3"); script_set_attribute(attribute:"solution", value: "Upgrade to WordPress version 4.7.1 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:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-10033"); script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploit_framework_core", value:"true"); script_set_attribute(attribute:"metasploit_name", value:'PHPMailer Sendmail Argument Injection'); script_set_attribute(attribute:"exploit_framework_metasploit", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2016/12/24"); script_set_attribute(attribute:"patch_publication_date", value:"2017/01/11"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/18"); 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) 2017-2019 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("vcf.inc"); include("http.inc"); if (report_paranoia < 2) audit(AUDIT_PARANOID); app = "WordPress"; port = get_http_port(default:80, php:TRUE); app_info = vcf::get_app_info(app:app, port:port, webapp:TRUE); vcf::check_granularity(app_info:app_info, sig_segments:2); constraints = [ { "fixed_version":"3.7.17", "fixed_display" : "3.7.17 / 4.7.1" }, { "min_version":"3.8", "fixed_version":"3.8.17", "fixed_display" : "3.8.17 / 4.7.1" }, { "min_version":"3.9", "fixed_version":"3.9.15", "fixed_display" : "3.9.15 / 4.7.1" }, { "min_version":"4.0", "fixed_version":"4.0.14", "fixed_display" : "4.0.14 / 4.7.1" }, { "min_version":"4.1", "fixed_version":"4.1.14", "fixed_display" : "4.1.14 / 4.7.1" }, { "min_version":"4.2", "fixed_version":"4.2.11", "fixed_display" : "4.2.11 / 4.7.1" }, { "min_version":"4.3", "fixed_version":"4.3.7", "fixed_display" : "4.3.7 / 4.7.1" }, { "min_version":"4.4", "fixed_version":"4.4.6", "fixed_display" : "4.4.6 / 4.7.1" }, { "min_version":"4.5", "fixed_version":"4.5.5", "fixed_display" : "4.5.5 / 4.7.1" }, { "min_version":"4.6", "fixed_version":"4.6.2", "fixed_display" : "4.6.2 / 4.7.1" }, { "min_version":"4.7", "fixed_version":"4.7.1", "fixed_display" : "4.7.1" } ]; vcf::check_version_and_report( app_info:app_info, constraints:constraints, severity:SECURITY_HOLE, flags:{xss:TRUE, xsrf:TRUE} );
NASL family Debian Local Security Checks NASL id DEBIAN_DLA-813.NASL description Several vulnerabilities were discovered in wordpress, a web blogging tool. The Common Vulnerabilities and Exposures project identifies the following issues. CVE-2017-5488 Multiple cross-site scripting (XSS) vulnerabilities in wp-admin/update-core.php in WordPress before 4.7.1 allow remote attackers to inject arbitrary web script or HTML via the name or version header of a plugin. CVE-2017-5489 Cross-site request forgery (CSRF) vulnerability in WordPress before 4.7.1 allows remote attackers to hijack the authentication of unspecified victims via vectors involving a Flash file upload. CVE-2017-5490 Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php. CVE-2017-5491 wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name. CVE-2017-5492 Cross-site request forgery (CSRF) vulnerability in the widget-editing accessibility-mode feature in WordPress before 4.7.1 allows remote attackers to hijack the authentication of unspecified victims for requests that perform a widgets-access action, related to wp-admin/includes/class-wp-screen.php and wp-admin/widgets.php. CVE-2017-5493 wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted site signup or user signup. CVE-2017-5610 wp-admin/includes/class-wp-press-this.php in Press This in WordPress before 4.7.2 does not properly restrict visibility of a taxonomy-assignment user interface, which allows remote attackers to bypass intended access restrictions by reading terms. CVE-2017-5611 SQL injection vulnerability in wp-includes/class-wp-query.php in WP_Query in WordPress before 4.7.2 allows remote attackers to execute arbitrary SQL commands by leveraging the presence of an affected plugin or theme that mishandles a crafted post type name. CVE-2017-5612 Cross-site scripting (XSS) vulnerability in wp-admin/includes/class-wp-posts-list-table.php in the posts list table in WordPress before 4.7.2 allows remote attackers to inject arbitrary web script or HTML via a crafted excerpt. For Debian 7 last seen 2020-03-17 modified 2017-02-02 plugin id 96930 published 2017-02-02 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/96930 title Debian DLA-813-1 : wordpress security update code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-813-1. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(96930); script_version("3.6"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2017-5488", "CVE-2017-5489", "CVE-2017-5490", "CVE-2017-5491", "CVE-2017-5492", "CVE-2017-5493", "CVE-2017-5610", "CVE-2017-5611", "CVE-2017-5612"); script_name(english:"Debian DLA-813-1 : wordpress security update"); script_summary(english:"Checks dpkg output for the updated packages."); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security update." ); script_set_attribute( attribute:"description", value: "Several vulnerabilities were discovered in wordpress, a web blogging tool. The Common Vulnerabilities and Exposures project identifies the following issues. CVE-2017-5488 Multiple cross-site scripting (XSS) vulnerabilities in wp-admin/update-core.php in WordPress before 4.7.1 allow remote attackers to inject arbitrary web script or HTML via the name or version header of a plugin. CVE-2017-5489 Cross-site request forgery (CSRF) vulnerability in WordPress before 4.7.1 allows remote attackers to hijack the authentication of unspecified victims via vectors involving a Flash file upload. CVE-2017-5490 Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php. CVE-2017-5491 wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name. CVE-2017-5492 Cross-site request forgery (CSRF) vulnerability in the widget-editing accessibility-mode feature in WordPress before 4.7.1 allows remote attackers to hijack the authentication of unspecified victims for requests that perform a widgets-access action, related to wp-admin/includes/class-wp-screen.php and wp-admin/widgets.php. CVE-2017-5493 wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted site signup or user signup. CVE-2017-5610 wp-admin/includes/class-wp-press-this.php in Press This in WordPress before 4.7.2 does not properly restrict visibility of a taxonomy-assignment user interface, which allows remote attackers to bypass intended access restrictions by reading terms. CVE-2017-5611 SQL injection vulnerability in wp-includes/class-wp-query.php in WP_Query in WordPress before 4.7.2 allows remote attackers to execute arbitrary SQL commands by leveraging the presence of an affected plugin or theme that mishandles a crafted post type name. CVE-2017-5612 Cross-site scripting (XSS) vulnerability in wp-admin/includes/class-wp-posts-list-table.php in the posts list table in WordPress before 4.7.2 allows remote attackers to inject arbitrary web script or HTML via a crafted excerpt. For Debian 7 'Wheezy', these problems have been fixed in version 3.6.1+dfsg-1~deb7u13. We recommend that you upgrade your wordpress packages. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2017/02/msg00000.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/wheezy/wordpress" ); script_set_attribute( attribute:"solution", value:"Upgrade the affected wordpress, and wordpress-l10n packages." ); 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:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/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:"p-cpe:/a:debian:debian_linux:wordpress-l10n"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/15"); script_set_attribute(attribute:"patch_publication_date", value:"2017/02/01"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/02"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2020 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:"7.0", prefix:"wordpress", reference:"3.6.1+dfsg-1~deb7u13")) flag++; if (deb_check(release:"7.0", prefix:"wordpress-l10n", reference:"3.6.1+dfsg-1~deb7u13")) 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");
References
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
- https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4
- https://codex.wordpress.org/Version_4.7.1
- http://www.openwall.com/lists/oss-security/2017/01/14/6
- http://www.securityfocus.com/bid/95401
- https://wpvulndb.com/vulnerabilities/8721
- http://www.securitytracker.com/id/1037591
- http://www.debian.org/security/2017/dsa-3779