Security News

New Linux Kernel cgroups Vulnerability Could Let Attackers Escape Container
2022-03-05 22:46

Details have emerged about a now-patched high-severity vulnerability in the Linux kernel that could potentially be abused to escape a container in order to execute arbitrary commands on the container host. The shortcoming resides in a Linux kernel feature called control groups, also referred to as cgroups version 1, which allows processes to be organized into hierarchical groups, effectively making it possible to limit and monitor the usage of resources such as CPU, memory, disk I/O, and network.

The Linux Foundation’s Census of OSS app libraries helps prioritize security work
2022-03-03 04:30

The Linux Foundation announced the final release of "Census II of Free and Open Source Software - Application Libraries," which identifies more than one thousand of the most widely deployed open source application libraries. This study informs what open source packages, components and projects warrant proactive operations and security support.

Kali Linux 2022.1 is your one-stop-shop for penetration testing
2022-02-24 16:56

Kali Linux 2022.1 is your one-stop-shop for penetration testing. Offensive Security recently unleashed the first iteration of Kali Linux for 2022.

NSA-linked Bvp47 Linux backdoor widely undetected for 10 years
2022-02-24 00:21

Pangu Lab's incident analysis involved three servers, one being the target of an external attack and two other internal machines - an email server and a business server. According to the researchers, the threat actor pivoted established a connection between the external server and the email server via a TCP SYN packet with a 264-byte payload. "At almost the same time, the [email] server connects to the [business] server's SMB service and performs some sensitive operations, including logging in to the [business] server with an administrator account, trying to open terminal services, enumerating directories, and executing Powershell scripts through scheduled tasks" - Pangu Lab.

Week in review: Kali Linux 2022.1 released, attackers leveraging Microsoft Teams to spread malware
2022-02-20 09:00

Kali Linux 2022.1 released: New tools, kali-linux-everything, visual changesOffensive Security has released Kali Linux 2022.1, the latest version of its popular open source penetration testing platform. Attackers use Microsoft Teams as launchpad for malwareHackers are starting to realize that Microsoft Teams is a great means of spreading tentacles throughout an organization's systems; since the start of the year, Avanan has been seeing hackers increasingly dropping malware in Teams conversation.

Linux Snap package tool fixes make-me-root bugs
2022-02-19 00:15

The snap-confine tool in the Linux world's Snap software packaging system can be potentially exploited by ordinary users to gain root powers, says Qualys. Snap was developed by Ubuntu maker Canonical, and can be used with Ubuntu and on other Linux distributions, if one so wishes, to install applications and services.

New Linux Privilege Escalation Flaw Uncovered in Snap Package Manager
2022-02-18 00:37

Multiple security vulnerabilities have been disclosed in Canonical's Snap software packaging and deployment system, the most critical of which can be exploited to escalate privilege to gain root privileges. Snaps are self-contained application packages that are designed to work on operating systems that use the Linux kernel and can be installed using a tool called snapd.

Google almost doubles Linux Kernel, Kubernetes zero-day rewards
2022-02-15 20:38

Google says it bumped up rewards for reports of Linux Kernel, Kubernetes, Google Kubernetes Engine, or kCTF vulnerabilities by adding bigger bonuses for zero-day bugs and exploits using unique exploitation techniques. "We increased our rewards because we recognized that in order to attract the attention of the community we needed to match our rewards to their expectations," Google Vulnerability Matchmaker Eduardo Vela explained.

Kali Linux 2022.1 released: New tools, kali-linux-everything, visual changes
2022-02-15 08:46

Offensive Security has released Kali Linux 2022.1, the latest version of its popular open source penetration testing platform. Visually refreshed and with improved usability for visually impaired users, it comes also with a new "Kali-linux-everything" image, wider compatibility for Kali's SSH client, and new tools.

Kali Linux 2022.1 released with 6 new tools, SSH wide compat, and more
2022-02-15 00:41

Kali Everything Image - An all-packages-in-one solution now available to download. Kali-Tweaks Meets SSH - Connect to old SSH servers using legacy SSH protocols and ciphers. As the first version of the new year, the Kali Team has performed a visual refresh adding new backgrounds for the desktop, login, and boot displays, and a new installer theme.