Windows 10, the WSUS and the SSU+LCU detection chaos

Posted on 2021-07-04 by guenni

Windows[German] I already talked about problems in connection with the June 2021 update for Windows 10 within some blog posts. If updates required as a prerequisite are missing, the installation will causes issues. But a blog reader emailed me to point out that there has been a serious issues in Windows 10 and its server counterparts for months in the detection of the combined SSU and LCU packages available in WSUS. I am therefore posting the information in this blog post for information and discussion.

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Coop-Sweden closes 800 stores after Kaseya VSA supply chain attack by REvil gang

Posted on 2021-07-03 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Co-operative Swedish supermarket chain Coop was forced to close its 800 affiliated stores Friday evening and Saturday after a ransomware attack on a service provider responsible for billing and point-of-sale systems. The whole thing is directly related to the supply chain attack on RRM Kaseya VSA and the follow-up cyber attack on at least eight major US managed service providers (MSPs).

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REvil Ransomware attack at 200 Companies via Kaseya VSA and Management Service Provider (MSP)

Posted on 2021-07-03 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]It is once again a nightmare come true for the IT landscape. The REvil ransomware group has succeeded in an attack via management service providers (MSPs). As a result, the servers of 200 companies were encrypted by the ransomware. It looks like the Kaseya IT management platform has been compromised. The whole thing is something like the SolarWinds supply chain attack, only this time it was ransomware.

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0Patch Micropatches for PrintNightmare Vulnerability (CVE-2021-34527)

Posted on 2021-07-03 by guenni

Windows[German]There is a remote execution vulnerability in the Windows Printer Spooler service that primarily threatens Windows Server systems and is already being actively exploited. So far, Microsoft has only confirmed the vulnerability and provided information on how to mitigate the problem by disabling the Windows Printer Spooler service until a security update is available. Now ACROS Security has presented a free 0Patch solution for various Windows Server versions that prevents exploitation of the vulnerability.

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Windows Print Spooler Vulnerability (CVE-2021-1675, PrintNightmare) Confirmed by MS; CISA Warns

Posted on 2021-07-02 by guenni

Windows[German]A brief  update on the RCE vulnerability CVE-2021-1675 in the Windows Print Spooler known as PrintNightmare. US-CISA warns and recommends disabling the Print Spooler service on servers that are not used for printing. And as of July 1, 2021, Microsoft has confirmed that the RCE vulnerability known as PrintNightmare, CVE-2021-1675, is still unpatched and is even currently being exploited.

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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 ...

Be careful with BitLocker management in ConfigMgr

Posted on 2021-07-02 by guenni

Windows[German]Does anyone manage their Windows clients via Configuration Manager (ConfigMgr) and also use Bitlocker? There is a PowerShell script Invoke-MbamClientDeployment.ps1 to supposedly upload the keys. However, Microsoft writes that this PowerShell script is not supported for use with BitLocker Management in Configuration Manager – so it must not be used in this scenario under any circumstances.

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PoC for Windows print spooler vulnerability public, high RCE risk

Posted on 2021-07-01 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Security researchers have published proof-of-concept (PoC) code for a remote code execution (REC) vulnerability in the Windows Print Spooler. The POC code was immediately deleted, but it is assumed that copies were pulled. The CVE-2021-1675 vulnerability allows an attacker to gain remote access to and take over a Windows Domain Controller.

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Posted in Security, Windows | Tagged , | 1 Comment

Windows 10 2004-21H1: Update KB5004760 fixes PDF issues

Posted on 2021-06-30 by guenni

Windows[German]As of June 29, 2021, Microsoft has released a special update (D-Week) for Windows 10 versions 2004, 20H2 and 21H1. This update, which is not rolled out via Windows Update, is intended to fix possible problems with opening and rendering PDF files in Internet Explorer 11 or in apps.

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700 million LinkedIn user records offered in underground forum

Posted on 2021-06-30 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]At the beginning of April 2021, 500 million user records of LinkedIn users were offered for sale in an underground forum (see Data leak: 500 million LinkedIn user data for sale in underground forum). Now a new data leak has been revealed, as 700 million LinkedIn user records were again offered for sale in an underground forum in mid-June 2021. As it looks, the LinkedIn user data was accessed via the API of the Microsoft-operated social network, which is used by many users for professional purposes.

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Microsoft Intune disrupted, Android devices do not get Wi-Fi profiles

Posted on 2021-06-30 by guenni

As of June 29, 2021, there has been a disruption with Microsoft Intune. Users with Microsoft Intune-registered Android devices may not receive Wi-Fi profiles. Here is an excerpt from the IT265315 incident report.

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