Recent Linux Exploits 2021

For a reliable exploit an exploit compatible with multiple version. By Tony Bradley on March 30 2021 IOActive Security Awareness.

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Recently Check Point Research CPR encountered several attacks that are exploiting multiple vulnerabilities including some recently discovered flaws.

Recent linux exploits 2021. Upon finding the bugs Symantec reached out to the Linux developers. From Docker containers LKM rootkits and other serious threats to the security of a Linux system. Decade-old vulnerability is still affecting most Linux distros By Mayank Sharma 27 January 2021 Security vulnerability can be exploited on other Unix-based operating systems as well.

Unprivileged BPF programs running on affected 64-bit systems can exploit this to execute speculatively out-of-bounds loads from 4GB window within the kernel memory. These ongoing attacks involve a new malware variant called FreakOut. The bugs affect the iSCSI kernel subsystem and have existed for more than 15 years.

Consequently the patches became available as 5118 stable release on March 20 2021. Researchers discovered three vulnerabilities capable of granting attackers root privileges on Linux operating systems. This PoC is an exploit for the CVE-2021-3156 sudo vulnerability that affects most linux systems due to a heap-based buffer overflow.

The exploit has been hiding in plain sight for nearly 10 years. A recently discovered root exploit vulnerability in Linux has been found to affect Apple Incs macOS as wellThe vulnerability allows for an attacker to trigger a so-called heap overflow in Sudo. Ongoing Botnet Attack Exploiting Recent Linux Vulnerabilities January 19 2021 Ravie Lakshmanan An ongoing malware campaign has been found exploiting recently disclosed vulnerabilities in network-attached storage NAS devices running on Linux systems to co-opt the machines into an IRC botnet for launching distributed denial-of-service DDoS attacks and mining Monero cryptocurrency.

Dan Goodin - Apr 9 2021 1159 am UTC. Written by Abeerah Hashim March 8 2021. The CVE-2021-3156 vulnerability introduced in 2011 was fixed in the latest version sudo 95p2 and released on January 26 2021.

LKRG attempts to post-detect and rapidly respond to unauthorized kernel modifications or changes to credentials of running system processes - protecting against exploits gaining unauthorized root access through kernel vulnerabilities exploits escaping eg. Numerous vulnerabilities have been discovered in the Linux kernel that could allow privilege escalation. This is just a Proof of Concept not a full reliable exploit so this might only work on very specific versions of both Ubuntu and sudo.

Graz University of Technology A. Spectre exploit can even bypass many top malware engines. Linux users should patch now to block new FreakOut malware which exploits new vulnerabilities.

Since 2006 the Linux code has no identification of the trio of defects the CVE-2021-27363 CVE-2021-27364 and CVE-2021-27365 until GRIMM researchers found them. Patches are out make sure to update your devices at the earliest. The exploit allows any Linux.

MMD-067-2021 - Recent talks on Linux process injection and shellcode analysis series at R2CON-2020 ROOTCON-14 2020 from HACKLU-2019. Multiple Linux Kernel Vulnerabilities Could Allow Privilege Escalation. The vulnerabilities which are being tracked as CVE-2021-27363 CVE-2021-27364 and CVE-2021-27365 exist in the kernels iSCSI module.

Linux LinuxSecurity Memory Fornsics RE ReverseEnineering DFIR Fileless ProcessInjection Shellcode Exploit PostExploitation BlueTeaming HandsOut Demo Video Slides Presentation. Heads up Linux users. By Mayank Sharma March 02 2021.

The module is capable of combating the majority of both pre-existing and hopefully future Linux kernel vulnerability exploits. Some key findings on the vulnerability. These updates are expected to bring an assortment of new features performance improvements and better hardware support alongside the latest Linux kernel.

A vulnerability CVE-2021-3156 in sudo a powerful and near-ubiquitous open-source utility used on major Linux and Unix-like operating systems could allow any unprivileged local user to gain. Windows and Linux devices are under attack by a new cryptomining worm With new exploits and capabilities the Sysrv botnet poses a growing threat. Alicia Hope March 22 2021.

Were four months into 2021 and a lot of major Linux distribution updates are right around the corner after constant development over the past few months. With the explosion of internet-of-things IoT and connected industrial IoT IIoT and connected smart home devices it is getting harder and harder to find things that dont have some sort of embedded operating system. By Abeerah Hashim March 8 2021.

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