Windows 10: Update installation error due to missing graphics driver update

Posted on 2021-07-23 by guenni

Windows[German]In this blog post, I take up the case of a blog reader who, with a Windows 10 Pro system (it was a Medion brand device – a German subsidiary of Lenovo), faced the problem that the monthly cumulative updates failed. Error 0x80073701 was reported. Attempting to install Windows 10 Pro in current version via USB installation media ended with error 0x8007025D. At the end of the day, the blog reader found the cause – it was missing updates of the Intel graphics driver, which were made up manually and finally eliminated the update installation errors.

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Windows Store for Business dies in Q1 2023

Posted on 2021-07-23 by guenni

Windows[German]Soon, the "new Microsoft Store" will be available for Windows 10 and Windows 11. This implies that the previous approach will soon die. Microsoft plans to discontinue the Windows Store for Business in the first quarter of 2023, as the company announced in this Techcommunity post.

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Are QNAP NAS systems (TVS-872XT) dying a sudden death after shutdown?

Posted on 2021-07-22 by guenni

Festplatte[German]Is there a problem with NAS systems from QNAP that certain models suddenly fail and "die", so to speak, during shutdown. The units can no longer be booted afterwards. I have found affected people with the TVS-872XT model, but also with other variants of the TVS series. A blog reader pointed me to corresponding reports. Let me summarize some information I have.

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Sequoia: LPE Vulnerability CVE-2021-33909 in Linux

Posted on 2021-07-22 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Security researchers from Qualsys have discovered a Local Privilege Escalation (LPE) vulnerability CVE-2021-33909 in the filesystem layer of the Linux kernel. In addition, a second vulnerability CVE-2021-33910 has been discovered. Linux distributions such as Debian, Fedora and Ubuntu are vulnerable in default settings, allowing third parties to gain root privileges. However, there are patches to fix the vulnerability. Here is a rough overview of what is involved.

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Google Chrome 92.0.4515.107

Posted on 2021-07-22 by guenni

[German]Google has released Google Chrome 92.0.4515.107 for Windows, Mac and Linux on July 20, 2021. It is an update to version 92 that brings new features, but also fixes 35 vulnerabilities in older browser versions at once.  Continue reading →

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

HiveNightmare: New details about Windows vulnerability CVE-2021-36934

Posted on 2021-07-21 by guenni

Windows[German]Windows 10 has a serious vulnerability CVE-2021-36934 as of version 1809, which allows the Security Accounts Manager (SAM) database to be read via VSS shadow copies. This opens the door for local attackers to gain privileges from administrators and potentially move around networks. Meanwhile, the potential and scope of affected machines is becoming clearer, which is why I am publishing this follow-up article.

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WordPress 5.8

Posted on 2021-07-21 by guenni

As of 7/20/2021, WordPress 5.8 has been released by the developers. This is a new major version, which comes with some new features. An overview of these new features can be found in this WordPress article. I've updated my WordPress installation without issues so far.

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Serious vulnerability in printer drivers from HP, Xerox and Samsung

Posted on 2021-07-20 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]There has been a severe vulnerability CVE-2021-3438 in the printer drivers of the manufacturers HP, Xerox and Samsung (presumably only laser printers) for 16 years, which affects millions of devices. The vulnerability was reported to HP on February 18, 2021, and an updated printer driver has been available since May 19, 2021. Here is some information on the issue provided to me by the security researchers.

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Windows 10 upgrade breaks SAM access rights from 1809 upward, user access possible

Posted on 2021-07-20 by guenni

Windows[German]It seems that Windows 10 feature updates from version 1809 up to the current version 21H1 change the access rights to the SAM database so that non-administrative users can access it. The cause could be the volume shadow copies (Shadow Copy), which are enabled by default. Here's some initial information – I'm still sorting through it a bit at the moment.

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USA, EU, NATO, Microsoft & Co. Blame China for Hafnium Exchange Hack

Posted on 2021-07-20 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]At the end of February, beginning of March 2021, there was a massive attack on Microsoft Exchange Server (see Exchange server 0-day exploits are actively exploited), in which many thousands of instances were hacked worldwide. Even then, the attacks were attributed to the Chinese hacker group Hafnium. Now the US along with its allies (UK, NATA) as well as the EU are accusing China of being responsible for this attack. The U.S. has also identified four Chinese nationals as responsible. 

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