Security Vulnerabilities

Multiple Apache HTTP Server Flaws Fixed in Ubuntu

The Ubuntu security team has recently discovered and addressed multiple vulnerabilities in the Apache HTTP Server. The vulnerabilities affected several versions of Ubuntu and could potentially lead to server disruption and injection of malicious code...
May 01, 2024
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Linux Kernel Vulnerability Exposes Unauthorized Data to Hackers

A critical vulnerability was discovered in the Linux ke...
Apr 30, 2024
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Critical Security Update for Google Chrome: Implications & Recommendations

The release of Google Chrome 124 addresses four vu...
Apr 29, 2024
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Multiple Apache HTTP Server Flaws Fixed in Ubuntu

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The Ubuntu security team has recently discovered and addressed multiple vulnerabilities in the Apache HTTP Server. The vulnerabilities affected several versions of Ubuntu and could potentially lead to server disruption and injection of malicious code.

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Linux Kernel Vulnerability Exposes Unauthorized Data to Hackers

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A critical vulnerability was discovered in the Linux kernel's netfilter subsystem, specifically within the nf_tables component, posing potential risks to systems worldwide. The vulnerability, CVE-2024-26925, arises from improperly releasing a mutex within the garbage collection (GC) sequence of nf_tables. It could potentially lead to race conditions and compromise the stability and security of the Linux kernel.

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Critical Security Update for Google Chrome: Implications & Recommendations

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The release of Google Chrome 124 addresses four vulnerabilities, including a critical security flaw that can enable attackers to execute arbitrary code. Over the next few days or weeks, the Google Stable channel will be updated to 124.0.6367.78 for Linux. As security practitioners, Linux admins, infosec professionals, and sysadmins must be aware of the implications of such vulnerabilities and take appropriate action.

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Hacked VMs Reveal New Attack Risks

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Researchers have exposed new and sophisticated types of attacks that endanger the security and confidentiality of virtual machines (VMs). Two variations of Ahoi attacks, Heckler and WeSee, have been identified targeting hardware-based trusted execution environments, specifically AMD’s Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) and Intel’s Trust Domain Extensions (TDX) technologies.

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Spectre V2: A New Threat to Linux Systems

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A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's delve into the details of the Spectre v2 exploit, its implications, and the measures being taken to mitigate its impact.

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How to Keep Your Linux System Safe from Kernel Bugs

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Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs. Understanding and mitigating the vulnerabilities in the Linux kernel is essential in safeguarding your systems against exploits leading to compromise. Let's examine why kernel vulnerabilities are such a severe threat and mitigation strategies for protecting against them.

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The XZ Utils Linux Backdoor: How It Happened & What We Can Learn [Updated]

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The alarming discovery of a backdoor in the xz data compression library, which had the potential to compromise Linux systems, has dominated recent security news. While the backdoor did not make its way into production Linux distributions, the incident raises crucial questions about open-source security and the need for vigilance in the face of emerging threats.

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Linux Kernel 'Make-Me-Root' Flaw Threatens Popular Distros [Updated]

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In the world of open-source software, security vulnerabilities can have widespread consequences. The recent publication of a Linux privilege-escalation proof-of-concept exploit has sent shockwaves through the Linux community, demanding the immediate attention of Linux admins, infosec professionals, internet security enthusiasts, and sysadmins.

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New GhostRace Attack Impacts Major CPU, Software Vendors

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A new data leakage attack called GhostRace (CVE-2024-2193) was recently discovered. It affects major CPU manufacturers and widely used software. This critical analysis will investigate the implications of this attack and discuss its significance for Linux admins, infosec professionals, and Internet security enthusiasts.

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New DDoS Malware Puts Apache Servers at Risk

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A Lucifer DDoS botnet malware variant has been identified, specifically targeting Apache Hadoop and Apache Druid servers. This sophisticated malware campaign exploits existing vulnerabilities and misconfigurations within these systems to carry out malicious activities, including cryptojacking and distributed denial-of-service (DDoS) attacks.

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RunC Container Escape Flaws Grant Attackers Host Access

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A series of severe security vulnerabilities have been discovered in the popular runC command line tool. These vulnerabilities, collectively known as Leaky Vessels, allow threat actors to break out of containers and gain unauthorized access to the host operating system.

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Joomla XSS Bug Puts Millions of Websites at Risk of RCE

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A critical security vulnerability has been found in the popular Joomla open-source content management system that has left millions of websites open to the risk of remote code execution (RCE) due to multiple cross-site scripting (XSS) bugs. The vulnerability is linked to a fundamental flaw in Joomla's core filter component and is tracked as CVE-2024-21726.

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