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AUSCERT Security Bulletin
ASB-2021.0099
Microsoft Security Update Release for Microsoft Edge (Chromium-based)
23 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Edge
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21226 CVE-2021-21225 CVE-2021-21224
CVE-2021-21223 CVE-2021-21222
Reference: ESB-2021.1363
OVERVIEW
The following Chrome CVEs have been released on April 22, 2021.
These CVE were assigned by Chrome. Microsoft Edge (Chromium-based) ingests
Chromium, which addresses these vulnerabilities. Please see Google Chrome
Releases for more information. [1]
Edge version: 90.0.818.46
Chromium version: 90.0.4430.85 [2]
IMPACT
The following vulnerabilities have been addressed:
* CVE-2021-21222
* CVE-2021-21223
* CVE-2021-21224
* CVE-2021-21225
* CVE-2021-21226
See Security Update Guide Supports CVEs Assigned by Industry Partners
for more information about third-party CVEs in the Security Update Guide. [3]
MITIGATION
It is advised to update Edge to the latest release.
REFERENCES
[1] Google Chrome Releases
https://chromereleases.googleblog.com/2021
[2] Security Update Guide
https://msrc.microsoft.com/update-guide/en-us
[3] Security Update Guide Supports CVEs Assigned by Industry Partners
https://msrc-blog.microsoft.com/2021/01/13/security-update-guide-supports-cves-assigned-by-industry-partners/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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