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AUSCERT External Security Bulletin Redistribution
ESB-2021.3776
ckeditor security update
10 November 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: ckeditor
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-37695 CVE-2021-33829
Reference: ASB-2021.0223
ASB-2021.0199
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
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Debian LTS Advisory DLA-2813-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
November 09, 2021 https://wiki.debian.org/LTS
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Package : ckeditor
Version : 4.5.7+dfsg-2+deb9u1
CVE ID : CVE-2021-33829 CVE-2021-37695
Debian Bug : 992290
CKEditor, an open source WYSIWYG HTML editor with rich content
support, which can be embedded into web pages, had two
vulnerabilites as follows:
CVE-2021-33829
A cross-site scripting (XSS) vulnerability in the HTML Data
Processor in CKEditor 4 allows remote attackers to inject
executable JavaScript code through a crafted comment because
--!> is mishandled.
CVE-2021-37695
A potential vulnerability has been discovered in CKEditor 4
Fake Objects package. The vulnerability allowed to inject
malformed Fake Objects HTML, which could result in executing
JavaScript code.
For Debian 9 stretch, these problems have been fixed in version
4.5.7+dfsg-2+deb9u1.
We recommend that you upgrade your ckeditor packages.
For the detailed security status of ckeditor please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ckeditor
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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