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debianDebianDEBIAN:DLA-2813-1:3459C
HistoryNov 09, 2021 - 8:52 a.m.

[SECURITY] [DLA 2813-1] ckeditor security update

2021-11-0908:52:58
lists.debian.org
13

7.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

6.6 Medium

AI Score

Confidence

High

3.5 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

0.005 Low

EPSS

Percentile

77.4%


Debian LTS Advisory DLA-2813-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
November 09, 2021 https://wiki.debian.org/LTS


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

OSVersionArchitecturePackageVersionFilename
Debian9allckeditor< 4.5.7+dfsg-2+deb9u1ckeditor_4.5.7+dfsg-2+deb9u1_all.deb

7.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

6.6 Medium

AI Score

Confidence

High

3.5 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

0.005 Low

EPSS

Percentile

77.4%