Vulnerabilities > CVE-2019-12473
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
Vulnerable Configurations
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_3C5A4FE09EBB11E99169FCAA147E860E.NASL description MediaWiki reports : Security fixes : T197279, CVE-2019-12468: Directly POSTing to Special:ChangeEmail would allow for bypassing reauthentication, allowing for potential account takeover. T204729, CVE-2019-12473: Passing invalid titles to the API could cause a DoS by querying the entire `watchlist` table. T207603, CVE-2019-12471: Loading user JavaScript from a non-existent account allows anyone to create the account, and XSS the users last seen 2020-06-01 modified 2020-06-02 plugin id 126485 published 2019-07-05 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/126485 title FreeBSD : mediawiki -- multiple vulnerabilities (3c5a4fe0-9ebb-11e9-9169-fcaa147e860e) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the FreeBSD VuXML database : # # Copyright 2003-2020 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(126485); script_version("1.4"); script_cvs_date("Date: 2020/01/08"); script_cve_id("CVE-2019-11358", "CVE-2019-12466", "CVE-2019-12467", "CVE-2019-12468", "CVE-2019-12469", "CVE-2019-12470", "CVE-2019-12471", "CVE-2019-12472", "CVE-2019-12473", "CVE-2019-12474"); script_name(english:"FreeBSD : mediawiki -- multiple vulnerabilities (3c5a4fe0-9ebb-11e9-9169-fcaa147e860e)"); 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: "MediaWiki reports : Security fixes : T197279, CVE-2019-12468: Directly POSTing to Special:ChangeEmail would allow for bypassing reauthentication, allowing for potential account takeover. T204729, CVE-2019-12473: Passing invalid titles to the API could cause a DoS by querying the entire `watchlist` table. T207603, CVE-2019-12471: Loading user JavaScript from a non-existent account allows anyone to create the account, and XSS the users' loading that script. T208881: blacklist CSS var(). T199540, CVE-2019-12472: It is possible to bypass the limits on IP range blocks (`$wgBlockCIDRLimit`) by using the API. T212118, CVE-2019-12474: Privileged API responses that include whether a recent change has been patrolled may be cached publicly. T209794, CVE-2019-12467: A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. T25227, CVE-2019-12466: An account can be logged out without using a token(CRRF) T222036, CVE-2019-12469: Exposed suppressed username or log in Special:EditTags. T222038, CVE-2019-12470: Exposed suppressed log in RevisionDelete page. T221739, CVE-2019-11358: Fix potential XSS in jQuery." ); # https://lists.wikimedia.org/pipermail/mediawiki-announce/2019-June/000230.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?fa98ca56" ); # https://vuxml.freebsd.org/freebsd/3c5a4fe0-9ebb-11e9-9169-fcaa147e860e.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?af2c931c" ); 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_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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:mediawiki131"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:mediawiki132"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/23"); script_set_attribute(attribute:"patch_publication_date", value:"2019/07/05"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/05"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 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:"mediawiki131<1.31.3")) flag++; if (pkg_test(save_report:TRUE, pkg:"mediawiki132<1.32.3")) 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");
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-4460.NASL description Multiple security vulnerabilities have been discovered in MediaWiki, a website engine for collaborative work, which may result in authentication bypass, denial of service, cross-site scripting, information disclosure and bypass of anti-spam measures. last seen 2020-06-01 modified 2020-06-02 plugin id 125858 published 2019-06-13 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125858 title Debian DSA-4460-1 : mediawiki - security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-4460. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(125858); script_version("1.4"); script_cvs_date("Date: 2020/01/10"); script_cve_id("CVE-2019-11358", "CVE-2019-12466", "CVE-2019-12467", "CVE-2019-12468", "CVE-2019-12469", "CVE-2019-12470", "CVE-2019-12471", "CVE-2019-12472", "CVE-2019-12473", "CVE-2019-12474"); script_xref(name:"DSA", value:"4460"); script_name(english:"Debian DSA-4460-1 : mediawiki - 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: "Multiple security vulnerabilities have been discovered in MediaWiki, a website engine for collaborative work, which may result in authentication bypass, denial of service, cross-site scripting, information disclosure and bypass of anti-spam measures." ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/mediawiki" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/stretch/mediawiki" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4460" ); script_set_attribute( attribute:"solution", value: "Upgrade the mediawiki packages. For the stable distribution (stretch), these problems have been fixed in version 1:1.27.7-1~deb9u1." ); 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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mediawiki"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/20"); script_set_attribute(attribute:"patch_publication_date", value:"2019/06/12"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/13"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 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:"9.0", prefix:"mediawiki", reference:"1:1.27.7-1~deb9u1")) flag++; if (deb_check(release:"9.0", prefix:"mediawiki-classes", reference:"1:1.27.7-1~deb9u1")) 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://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
- https://phabricator.wikimedia.org/T204729
- https://phabricator.wikimedia.org/T204729
- https://seclists.org/bugtraq/2019/Jun/12
- https://seclists.org/bugtraq/2019/Jun/12
- https://www.debian.org/security/2019/dsa-4460
- https://www.debian.org/security/2019/dsa-4460