Short addendum from last week. Microsoft has released some Microsoft Security Update Revisions for April 15, 2022, which are changes to the documentation of various security updates in GRUB as well as in Power BI Report Server. Here is an uncommented overview.
[German]Microsoft has again expanded the range of machines to which the Windows 10 November 2021 Update (21H2) will be offered after its release in November 2021 (see Windows 10 November 2021 Update (21H2) released). Windows 10 20H2 was already updated to version 21H2 in January 2022 (see Windows 10 20H2 will be upgraded to Windows 21H2 (January 20, 2022)). This is because older Windows 10 versions will drop out of support in May 2022 (Windows 10: Version 1909 and 20H2 reaching end of support on May 10, 2022).
[German]There is a warning from CISA and other organizations in the U.S. aimed at manufacturers and operators of process control systems and controllers (ICS/SCADA systems). Cyber groups (APTs) have developed new attack tools with which they can attack various industrial control systems. Since there is now a certain trend to only destroy in these attacks, the risk of industrial sectors or critical infrastructure being crippled by (government) cyber actors is increasing.
[German]Microsoft has updated the Chromium Edge browser to version Edge 100.0.1185.44 as of April 15, 2022. This is an emergency update that closes the CVE-2022-1364 vulnerability (see also this page and the blog post Chrome 100.0.4896.127 fixes 0-day vulnerability CVE-2022-1364). The browser should update automatically, but can also be downloaded here. Thanks to the blog readers (German, English) for the hints.
[German]On April 9, 2022, 0-day exploit exploiting vulnerabilities in LPAP NGINX implementation became known. Spontaneously the question came up if you have to react now if you use NGINX in your environment. A blog reader sent me a note the other day about what to watch out for in this regard. Here is a quick overview of this issue.
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[German]A vulnerability called Spring4Shell in the Java Spring Framework has been known for a few days. VMware has been providing patches for its products since the beginning of April 2022. It is now known that the Mirai botnet exploits the Spring4Shell vulnerability to infect systems. In addition, I came across a brief analysis from Trend Micro on the Spring4Shell vulnerability.
[German]Google has released updates to Google Chrome 100.0.4896.127 for Android, as well as for Windows and Mac on the desktop in the stable channel as of April 14, 2022. The update closes the 0-day vulnerability CVE-2022-1364, for which an expliit already exists.
[German]The security updates Microsoft released on April 12, 2022, has closed numerous vulnerabilities. In particular, the vulnerability CVE-2022-26809 is security-critical and should be patched promptly. The password loop caused by the March 2022 preview updates has also been fixed. But there are also issues: Remote Desktop Gateway roles on Windows Server 2022 break, Edge or Chrome may fail to start in Windows 11, and there are installation errors in Windows Server 2012 (caused by antivirus solutions).
[German]Enterprise environments often deploy Windows servers that act as domain controllers (DCs). Domain controllers are still a central part of the infrastructure for many companies (despite the trend toward the Azure cloud, according to Microsoft). And the identities stored in Active Directory are often the target of attackers. How can you best secure domain controllers in terms of updates? Microsoft has published some thoughts on that.
[German]Microsoft released Windows 11 Insider Preview build 22598 on April 13, 2022 (see this announcement with details on the Windows Blog). Now Microsoft has released an ISO image file of this Windows 11 preview for Windows Insiders. This ISO can be downloaded in the desired variant via the download area of the Windows Insider program. The condition is that you are registered in the Windows Insider program.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
