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Category Archives: Linux
14 Vulnerabilities in BusyBox
[German]Security researchers from JFrog and Claroty Team82 have found 14 vulnerabilities in the popular BusyBox tool. All vulnerabilities were confidentially reported to the developer of BusyBox and fixed in version 1.34.0, which was released on August 19. The vulnerabilities could … Continue reading
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Vulnerability in Linux Kernel
[German]There is a vulnerability in the kernel of all popular Linux distributions that researchers from SentinelLabs made public a few days ago. A TIPC module in all common Linux distributions can be exploited by heap overflow attacks that can lead … Continue reading
Malware targets the Windows Subsystem for Linux (WSL)
[German]Security researchers from Lumen's Black Lotus Labs have come across several malware samples that can infect the Windows subsystem for Linux and then switch to the native Windows environment. Experts had outlined this scenario back in 2017. Thus, the Microsoft … Continue reading
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Patch Microsoft Azure vulnerabilities OMIGOD in Linux VMs
[German]Those responsible for Linux VMs under Microsoft Azure need to react immediately. Management agents have been silently installed, that have RCE and LPE vulnerabilities. The vulnerability, called OMIGOD, must be patched manually because there is no Azure update mechanism. Advertising
Posted in Cloud, Linux, Security, Update
Tagged Azure, Linux, Patchday 9.2021, Security, Update
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Vulnerability CVE-2021-3773 in OpenVPN-Clients (Linux, FreeBSD)
[German]A privilege escalation vulnerability CVE-2021-3773 exists in the Linux and FreeBSD OpenVPN clients. The issue occurs in the OpenVPN use of Netfilter for NAT on Linux and FreeBSD 13, OpenVPN, and natd. A detailed technical report can be found on … Continue reading
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LemonDuck and LemonCat malware boost activity
[German]LemonDuck and LemonCat is malware that both acts as a bot and mines crypto-money. LemonDuck can run on different platforms (Linux, Windows), threatening machines on corporate networks. According to Microsoft, this malware has been poorly documented so far, which is … Continue reading
Sequoia: LPE Vulnerability CVE-2021-33909 in Linux
[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 … Continue reading
Linux Mint 20.2
[German]The team of maintainers of Linux Mint have just announced the availability of Mint 20.2. Linux Mint 20.2 (Uma) is a Long-Term Support release that will be supported until 2025. It comes with updated software and brings refinements and many … Continue reading
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DarkRadiation Ransomware targets Linux (Red Hat, Debian & Co.)
[German]A ransomware called DarkRadiation targets Linux systems from Red Hat, CentOS or Debian-based distributions. Security vendor Trend Micro points this out in a new blog post. The malware does so using tools to detect the environment and then spread laterally … Continue reading
Microsoft switches internally to Linux
Microsoft internally wants to change its systems (servers, but also clients) to Linux in the medium future. So Windows will be phased out in the long run – they are only considering to port a part of the GUI and … Continue reading
