LINUX

Pierluigi Paganini January 31, 2019
Researchers published the PoC exploit code for Linux SystemD bugs

Security researchers at the security firm Capsule8 have published exploit code for the vulnerabilities in Linux systemD disclosed in January.Security researchers at the security firm Capsule8 have published exploit code for the vulnerabilities in Linux systemD disclosed in January. Early this month, security firm Qualys disclosed three flaws (CVE-2018-16864, CVE-2018-16865, and CVE-2018-16866 ) in a […]

Pierluigi Paganini January 22, 2019
Critical flaw in Linux APT package manager could allow remote hack

Expert discovered a remote code execution vulnerability in the APT package manager used by several Linux distributions, including Debian and Ubuntu. The independent security consultant Max Justicz has discovered a remote code execution vulnerability in the APT package manager used by several Linux distributions, including Debian and Ubuntu. The flaw, tracked as CVE-2019-3462, affects package manager version 0.8.15 and later, […]

Pierluigi Paganini December 10, 2018
Hackers defaced Linux.org with DNS hijack

The Linux.org website was defaced last week via DNS hijack, attackers breached into associated registrar account and changed the DNS settings. Attackers changed the defacement page a few times, they protested against the new Linux kernel developer code of conduct in a regrettable way with racial slurs and the image of an individual showing the anus. The defacement page also includes links […]

Pierluigi Paganini November 26, 2018
Linux Kernel is affected by two DoS vulnerabilities still unpatched

Linux Kernel is affected by two denial-of-service (DoS) flaws, both vulnerabilities are NULL pointer deference issues Linux Kernel is affected by two denial-of-service (DoS) vulnerabilities, the issues impact Linux kernel 4.19.2 and previous versions. Both flaws are rated as Medium severity and are NULL pointer deference issues that can be exploited by a local attacker to trigger a DoS condition. […]

Pierluigi Paganini November 26, 2018
Experts found a new powerful modular Linux cryptominer

Security experts from Russian antivirus firm Dr.Web have discovered a new strain of Linux cryptominer tracked as Linux.BtcMine.174. The Linux cryptominer has a multicomponent structure that implements a broad range of features in over 1,000 lines of code. When the Monero Linux cryptominer is first executed it checks whether the server, from which the Trojan will subsequently […]

Pierluigi Paganini November 22, 2018
Experts found first Mirai bot targeting Linux servers via Hadoop YARN flaw

Security experts from Netscout Asert discovered more than ten Mirai bot variants attempting to exploit a recently disclosed flaw in Hadoop YARN on Intel servers. These Mirai variants are the first one that doesn’t target Internet of Things devices, the bot was specifically developed to target Linux servers. The Hadoop YARN is vulnerability is a command injection […]

Pierluigi Paganini November 11, 2018
Linux Cryptocurrency miner leverages rootkit to avoid detection

Researchers from Trend Micro spotted a new cryptocurrency miner that leverages a rootkit component to hide its presence on the infected systems. Cryptocurrency malware continues to be a privileged choice for crooks and the number of victims is rapidly growing. Cryptocurrency miners are easy to detect due to the saturation of resources on the affected […]

Pierluigi Paganini November 06, 2018
Shellbot Botnet Targets IoT devices and Linux servers

Security experts at Trend Micro have spotted an IRC bot dubbed Shellbot that was built using Perl Shellbot. The malware was distributed by a threat group called Outlaw, it was able to target Linux and Android devices, and also Windows systems. “We uncovered an operation of a hacking group, which we’re naming “Outlaw” (translation derived from the Romanian word haiduc, […]

Pierluigi Paganini October 29, 2018
Systemd flaw could cause the crash or hijack of vulnerable Linux machines

Systemd is affected by a security vulnerability that can be exploited to crash a vulnerable Linux machine, and in the worst case to execute malicious code. An attacker can trigger the vulnerability using maliciously crafted DHCPv6 packets and modifying portions of memory of the vulnerable systems, potentially causing remote code execution. The flaw, tracked as CVE-2018-15688, […]

Pierluigi Paganini October 26, 2018
CVE-2018-14665 privilege escalation flaw affects popular Linux distros

Security researcher discovered a highly critical vulnerability (CVE-2018-14665) in X.Org Server package that affects major Linux distributions. The Indian security researcher Narendra Shinde has discovered a highly critical vulnerability (CVE-2018-14665) in X.Org Server package that affects major Linux distributions, including OpenBSD, Debian, Ubuntu, CentOS, Red Hat, and Fedora. Xorg X project provides an open source implementation of the X Window […]