Microsoft provides workaround for Windows 10 patchday printer issue (BSOD)

Posted on 2021-03-14 by guenni

[German]Microsoft confirmed last Friday (US time) the BSOD issues triggered with the March 2021 patchday in Windows that systems with certain printers crash via BlueScreen, with more details, and a workaround was suggested.

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Was there a leak at Microsoft in the Exchange mass hack?

Posted on 2021-03-14 by guenni

[German]The first wave of mass hacking of vulnerable Exchange servers before the release of patches raises questions. Especially since the exploit code used was very similar to a PoC that Microsoft had distributed to partners a week earlier. Microsoft is now investigating whether some leak could be responsible.

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Security: Spectre PoC and test in Chrome 88 browser

Posted on 2021-03-14 by guenni

[German]Google published a proof of concept (PoC) this week on how the Specte vulnerability can be exploited via JavaScript in the Chrome browser. Hence, some information and a little gimmick on how to test it.

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Update on ProxyLogon hafnium exchange issue (March 12, 2021)

Posted on 2021-03-13 by guenni

[German]The Exchange mass hacking by the Hafnium group as well as the issue around ProxyLogon vulnerabilities won't let us off the hook. To wrap up the week, here's a quick roundup: there are revisions from Microsoft on the topic (the last set of updates for unsupported CUs on Exchange Server has been released), there are publicly available proof of concept (PoC) samples, and the "issues list" for the Microsoft Support Emergency Response Tool (MSERT) is getting longer.

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Adobe Acrobat (Reader) DC 21.001.20145

Posted on 2021-03-12 by guenni

[German]Adobe has released an optional update to version 21.001.20145 for Adobe Acrobat DC and Reader DC, effective March 10, 2021. Only one bug has been fixed: Comments are missing from the shared review when done with Reader DC. The update is available for Windows and macOS. Thanks to Martin E. and Michael P. for pointing this out. Martin notes that for the first time a 64 bit Adobe Reader MSP is included. He writes that he just has no idea how to install it. Because so far he has not found a 64 bit baseline installation to the 64 bit Adobe Reader DC and the MSP.

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

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Patchday: Windows 8.1/Server 2012 updates (March 9, 2021)

Posted on 2021-03-12 by guenni

Windows Update[German]As of March 9, 2021, Microsoft has released various updates for Windows 8.1. However, these updates are also available for Windows Server 2012 R2. Here is some information about them.

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Patchday Microsoft Office Updates (March 9, 2021)

Posted on 2021-03-12 by guenni

[German]On March 9, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates.

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News about the printer issues (BSOD) after March 2021 update

Posted on 2021-03-11 by guenni

[German]Microsoft has now confirmed the printing problems (partly BlueScreens) after installing the March 2021 security updates for Windows and is working on re-releases. In addition, there are some hints from blog readers on how they got the systems working again.

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Patchday: Updates for Windows 7/Server 2008 R2 (March 9, 2021)

Posted on 2021-03-11 by guenni

Windows Update[German]On March 9, 2021, Microsoft has released various (security) updates for Windows 7 SP1 (ESU) and Windows Server 2008 R2. Here is an overview of these updates – somewhat delayed due to the printer issue.

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Exchange hack: new victims, new patches, new attacks

Posted on 2021-03-11 by guenni

[German]Another short addendum to the never-ending topic of Proxylogon vulnerability and hafnium mass hack. Microsoft has released new updates for old CUs. Around 10 hacker groups are now trying to exploit the vulnerabilities in unpatched Exchange servers, and the list of known victims is getting longer.

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