Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1369
wordpress security update
22 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: wordpress
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Access Confidential Data -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-29450 CVE-2021-29447
Original Bulletin:
http://www.debian.org/lts/security/2021/dla-2630
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running wordpress check for an updated version of the software for
their operating system.
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Debian LTS Advisory DLA-2630-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
April 21, 2021 https://wiki.debian.org/LTS
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Package : wordpress
Version : 4.7.20+dfsg-1+deb9u1
CVE ID : CVE-2021-29447 CVE-2021-29450
Debian Bug : 987065
CVE-2021-29447
Wordpress is an open source CMS. A user with the ability to
upload files (like an Author) can exploit an XML parsing issue
in the Media Library leading to XXE attacks. This requires
WordPress installation to be using PHP 8. Access to internal
files is possible in a successful XXE attack.
CVE-2021-29450
Wordpress is an open source CMS. One of the blocks in the
WordPress editor can be exploited in a way that exposes
password-protected posts and pages. This requires at least
contributor privileges.
For Debian 9 stretch, these problems have been fixed in version
4.7.20+dfsg-1+deb9u1.
We recommend that you upgrade your wordpress packages.
For the detailed security status of wordpress please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/wordpress
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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