[German]Victims of the Ragnarok ransomware, whose data was encrypted during an attack, can hope again. After the cyber-criminal has just ceased its operations, the master decryptor key has been published. With it, the encrypted files should be able to be restored.
[German]Microsoft has released an optional cumulative (preview) update KB5005103 for Windows 10 version 1909 (Enterprise, Education, IoT) as of August 26. The update fixes various issues with OneDrive and with the Movie and TV apps. Here is an overview of this update.
[German]Heavy blow for users of the Microsoft Azure cloud if a Cosmos DB is involved (the DB stands for Data Breach, just no one has noticed yet). There was a severe vulnerability (now closed) that allowed attackers to take over the database. Microsoft must have started notifying affected Azure customers.
[German]At the end of the month August 2021, OSRAM is shutting down its Lightify cloud service. Users who use the Lightify lights will have to take action before August 31, 2021, to keep the bulbs still working and avoiding to sitting in the dark. Here are a few details about the matter.
[German]Synology has issued a security warning for its products as of August 26, 2021. Multiple vulnerabilities allow remote attackers to perform denial-of-service attacks or execute arbitrary code via a vulnerable version of Synology DiskStation Manager (DSM), Synology Router Manager (SRM), VPN Plus Server or VPN Server. Currently, no product updates seem to be available yet.
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[German]Microsoft has published two documents with Security Update Releases and Security Update Revisions as of August 23, 2021. The Security Update Releases affect Chromium browsers such as Edge, and identify vulnerabilities that have been patched. The Security Update Revisions concern various software products such as the .NET Framework. I'm just posting the information on the blog without comment.
[German]I have reported several times on attacks on unpatched on-premises Exchange servers using the ProxyShell method in the blog. Now Microsoft has commented on this in an article and indicates which systems are at risk. In addition, I have received further information from HurricaneLabs, which administrators should be on the lookout for with regard to an infection. Therefore, a summary of the state of affairs once again.
[German]Security researchers at IoT Inspector have found multiple vulnerabilities in a Realtek SDK that allow unauthenticated attackers to fully compromise a device and execute arbitrary code with the highest privileges. The SDK is used by many OEMs to implement WiFi features in devices. Realtek has released an updated version of the SDK, but the code is in numerous IoT devices. At least 65 manufacturers are affected by serious security vulnerabilities, and users face the problem that these devices can be taken over by botnets and attackers.
[German]The developers of the Thunderbird email client have already released another bug fix update on August 26, 2021 (version 91 is still dewy, on August 17, 2021 there was a maintenance and security update to version 91.0.1 and on 8/23/2021 version 91.0.2). Apparently there is no real testing going on anymore. Continue reading
[German]VMware has released security updates to address vulnerabilities in several products. An attacker could exploit some of these vulnerabilities to take control of an affected system. VMware vRealize Operations, VMware Cloud Foundation and vRealize Suite Lifecycle Manager are affected. US-CERT has already issued an advisory and is telling people to look at the security advisories in question.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
