SentinelLabs finds three vulnerabilities in Oracle VirtualBox

Sicherheit (Pexels, allgemeine Nutzung)[German]Security researchers from SentinelLabs have taken a closer look at Oracle's virtualization solution Virtualbox, which runs on Windows, macOS and Linux. They found three vulnerabilities in the virtualization tool. A vulnerability in Oracle VM VirtualBox allows program takeover and denial-of-service (DoS) attacks by attackers. However, an update for Virtualbox is now available.

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Printjack: Security researchers warn against attacks on printers

Sicherheit (Pexels, allgemeine Nutzung)[German]Printers are widespread, even if the paperless office is the goal. Printers are networked, but rarely protected against attacks. People don't think the devices are really worth protecting. But in times of IoT and under the General Data Protection Regulation (GDPR), this can lead to significant problems and nasty surprises. Researchers from Italy have tackled the issue and found three attack possibilities at once, labeled Printjack, that can lead to security problems and GDPR violations for printers.

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Security vulnerabilities in iDRAC8/9 software put Dell servers at risk

Sicherheit (Pexels, allgemeine Nutzung)[German]Multiple vulnerabilities existed in the iDRAC8 and iDRAC9 management software used on Dell servers. The vulnerabilities allowed remote attackers to control the execution of processes and gain access to the underlying operating system via a stack buffer overflow flaw. Dell has since closed these vulnerabilities.

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Sophos XG – Mail delivery blocked by antivirus pattern (Nov. 25, 2021)

Mail[German]Brief note to administrators who use Sophos XG as a firewall and security solution. On November 25, 2021, there was probably an update to the antivirus pattern that blocked at least one user from sending mail. The IT administrator in question pointed this out to me and I am posting it here on the blog for your information.

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WordPress Plugin Hide My WP with SQL Injection Vulnerability

[German]One of the most popular "security" plugins for WordPress, Hide My WP, has just attracted negative attention due to a fat SQL injection vulnerability. Another bug allows an attacker to simply disable the plugin

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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 ...


RATDispenser: JavaScript-Loader dispenses Remote Access Trojaners (RAT) in Windows

Sicherheit (Pexels, allgemeine Nutzung)[German]Another short addendum concerning security, which came to my attention the other day. Security researchers at HP Thread-Research have discovered a loader written in JavaScript that installs Remote Access Trojans (RATs) on Windows systems. The developer now appears to be working with eight malware groups.

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Windows Server 2019/2022: Microsoft Defender for Endpoint fails after Nov. 2021 updates

Windows[German]Short message for administrators who are already productive with Windows Server 2019 or even Windows Server 2022 and use Microsoft Defender for Endpoint as virus protection. Microsoft has admitted that after installing certain updates on these Windows Server versions, problems can occur and Defender no longer starts.

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Windows attacks via 0-day in installer and vulnerability in MSHTML

Windows[German]Attackers are exploiting a now-patched CVE-2021-40444 vulnerability in Microsoft's MSHTML routines to attack Windows systems. And the 0-day vulnerability in Windows Installer that I addressed here on the blog the other days is being exploited by malware for privilege escalation. Here's an overview of the threats to Windows users via these two rails.

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GoDaddy hack also affects hosting resellers

Sicherheit (Pexels, allgemeine Nutzung)[German]A few days ago, the US registrar and hoster GoDaddy made public a major hack in which the attacker had access to 1.2 million customer records. My mind immediately went "is HostEurope as a subsidiary also affected". In the meantime, I read reports that HostEurope was also affected. A request to the support has the night adhoc nothing, but the answer of the specialist department is still pending.

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Black Friday spam campaigns in the starting blocks

Sicherheit (Pexels, allgemeine Nutzung)[German]November 26, 2021 is Black Friday – almost everything is free – and some people's brains are also out. This also attracts cyber criminals, who increasingly attack consumers with online shopping scams. The telemetry data from Bitdefender Labs also documents an increased incidence of shopping spam messages in Germany in November. Further highlights of such mailings can be expected for Black Friday and for Cyber Monday, which is also becoming increasingly popular in Germany. I am posting the information provided by Bitdefender here on the blog.

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