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  1. Knowledge Base
    LiteSpeed Cache Bug Exploit For Control Of WordPress Sites
    In recent developments concerning WordPress security, a significant vulnerability has come to light in the widely used LiteSpeed Cache plugin. This LiteSpeed cache bug, labeled CVE-2023-40000, poses a substantial risk to WordPress site owners, as it allows threat actors to exploit websites, gaining unauthorized access and control. Let’s delve into the details of this vulnerability, […] read more
  2. Knowledge Base
    AlmaLinux 9.4 Released: Security and Legacy Hardware Support
    AlmaLinux 9.4, codenamed “Seafoam Ocelot,” arrived on May 6, 2024. This exciting new release from the AlmaLinux OS Foundation closely mirrors Red Hat Enterprise Linux (RHEL) 9.4, offering a free and open-source alternative with full compatibility. In this article, we will explore the key features available in this edition.   New Features and Improvements in […] read more
  3. Knowledge Base
    The Urgency of Updating Outdated PHP Version in WordPress
    Outdated PHP versions lack security patches, compromising site security. Upgrading PHP ensures better performance, compatibility, and security, essential for a stable and reliable WordPress site. Upgrading PHP can sometimes introduce compatibility issues with older themes and plugins, leading to errors and malfunctions. WordPress relies on PHP, a powerful server-side language, to function. Just like any […] read more
  4. Knowledge Base
    Looking Back at Python 2 End of Life: Lessons Learned
    The last Python 2.x version is Python 2.7, which was released on July 3, 2010. Python 2.7 ended on January 1, 2020. Python 3 is not backward compatible with Python 2, so the code written for Python 2 may require massive code refactoring. TuxCare’s Extended Lifecycle Support for Python 2.7 offers security patches for vulnerabilities […] read more
  5. Knowledge Base
    Ukrainian REvil Hacker Gets 13-Year Sentence Plus $16M Fine
    In a significant victory against cybercrime, the Ukrainian REvil hacker has been sentenced to over 13 years in prison and ordered to pay a hefty fine of $16 million for orchestrating thousands of ransomware attacks, resulting in cyber extortion of victims worldwide. In this blog, we’ll look at the details of this Kaseya supply chain […] read more
  6. Knowledge Base
    Addressing glibc Vulnerabilities in EOL Ubuntu
    Recently, the Ubuntu security team has fixed multiple security issues discovered in the GNU C library, commonly known as glibc. If left unaddressed, this can leave your system exposed to attackers who exploit these glibc vulnerabilities. The glibc library provides the foundation for many programs on your system. Therefore, it is crucial to patch these […] read more
  7. Knowledge Base
    Xiaomi and WPS Vulnerabilities: File Overwrite Risks Alert
    In the digital realm, security is paramount, especially when it comes to the applications we use daily. Recently, concerns have surfaced regarding vulnerabilities in popular Android applications available on the Google Play Store. Revelations by the Microsoft Threat Intelligence team have unearthed a WPS Office exploit dubbed the Dirty Stream attack, casting a spotlight on […] read more
  8. Knowledge Base
    Thunderbird Vulnerabilities Fixed in Ubuntu and Debian
    In recent Ubuntu and Debian security updates, several vulnerabilities have been addressed in Thunderbird, the popular open-source mail and newsgroup client. Attackers could use these vulnerabilities to cause a denial of service, execute arbitrary code, or disclose sensitive information. The Ubuntu security team has released the patches for Ubuntu 23.10, Ubuntu 22.04 LTS, and Ubuntu […] read more
  9. Knowledge Base
    How an Intrusion Detection System Can Ensure End-User Security
    It’s never been more important for businesses to invest in the best security measures available to them. Hackers and cybercriminals are constantly attempting to attack organizations and access their data. What’s more, cyber attacks are becoming increasingly sophisticated and new threats are constantly emerging.  So, it’s vital that businesses stay up-to-date with security measures to […] read more
  10. Knowledge Base
    CISA Alert: GitLab Password Exploit – Act Now For Protection
    In the realm of cybersecurity, vigilance is paramount. Recently, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) flagged a critical vulnerability in GitLab, a popular platform for collaborative software development. This GitLab password exploit tracked as CVE-2023-7028, has been actively exploited in the wild, posing significant risks to organizations utilizing GitLab for their development workflows. […] read more
  11. Knowledge Base
    Join CloudLinux & TuxCare: Exciting Opportunities to Work in Linux Security
    Are you passionate about technology and eager to make a significant impact in the world of Linux security, cybersecurity, or open-source software? Look no further! TuxCare and its parent company, CloudLinux, are currently seeking exceptional individuals to join our talented global team.    Our team is responsible for creating and maintaining advanced and cutting-edge Linux […] read more
  12. Knowledge Base
    Several Vulnerabilities Addressed in Ubuntu 24.04
    Ubuntu 24.04 LTS was released on April 25, 2024, with some new exciting features. Like every other release, it is not immune to vulnerabilities. Recently, the Ubuntu security team has addressed multiple security vulnerabilities affecting Ubuntu 24.04 that could potentially lead to a denial of service or the execution of arbitrary code. In this article, […] read more
  13. Knowledge Base
    Dropbox Sign Breach: Threat Actors Access User Information
    In a recent disclosure, cloud storage giant Dropbox revealed a breach affecting its digital signature service, Dropbox Sign (formerly HelloSign). The Dropbox Sign breach, identified on April 24, 2024, compromised user data, including emails, usernames, and account settings. While the intrusion is unsettling, understanding its ramifications and Dropbox’s response is crucial for users and businesses […] read more
  14. Knowledge Base
    CISA and FBI Issue Alert on Path Traversal Vulnerabilities
    The joint alert from CISA and FBI highlights the continued exploitation of path traversal vulnerabilities in critical infrastructure attacks, impacting sectors like healthcare. The recent CVE-2024-1708 vulnerability in ConnectWise ScreenConnect is a prime example. This flaw was exploited alongside another vulnerability to deploy ransomware and compromise systems.   What are Path Traversal Vulnerabilities?   Path […] read more
  15. Knowledge Base
    Hardware Level Vulnerabilities, Revisited
    In August of last year, I examined several CPU bugs that posed serious security threats. The mitigations for these vulnerabilities generally involved either incorporating additional instructions or opting for alternative CPU instructions – strategies that lead to diminished system performance overall. My argument was that such vulnerabilities effectively revert your infrastructure to the technological level […] read more
  16. Knowledge Base
    HPE Aruba Vulnerabilities: Prevent Systems From RCE Attacks
    Recently, HPE Aruba Networking, formerly known as Aruba Networks, has encountered significant security challenges. Vulnerabilities in their ArubaOS, the proprietary network operating system, have been identified, posing serious risks, including remote code execution (RCE). In this article, we delve into the details of these HPE Aruba vulnerabilities, their implications, and the recommended actions to mitigate […] read more
  17. Knowledge Base
    Understanding Linux Cryptography: Security in the Open Source World
    Encryption plays a vital role by scrambling information, making it unreadable to anyone without the decryption key. Linux provides robust protocols like SSL/TLS to establish secure connections between clients and servers. Regularly update cryptographic software, libraries, and the Linux kernel for the latest security patches. Cryptography is the art of creating mathematical techniques to secure […] read more
  18. Knowledge Base
    Backdoors and Miners Amid eScan Antivirus Backdoor Exploit
    Recently, a wave of malware attacks has surfaced, exploiting vulnerabilities in the update mechanism of the eScan antivirus software. This eScan antivirus backdoor exploit distributes backdoors and cryptocurrency miners, such as XMRig, posing a significant threat to large corporate networks. In this blog, we’ll look into the details of this eScan antivirus backdoor exploit and […] read more
  19. Knowledge Base
    Several FreeRDP Vulnerabilities Addressed in Ubuntu
    The Ubuntu security team has recently taken action to address several security vulnerabilities found in FreeRDP, a Remote Desktop Protocol (RDP) client widely used for Windows Terminal Services. These vulnerabilities, if exploited, could lead to severe consequences, including denial of service attacks or even the execution of arbitrary code. Here’s a breakdown of the vulnerabilities […] read more
  20. Knowledge Base
    Crypto Mixer Money Laundering: Samourai Founders Arrested
    The recent crackdown on the crypto mixer money laundering, Samourai, has unveiled a sophisticated operation allegedly involved in facilitating illegal transactions and laundering criminal proceeds. The cryptocurrency community was shocked by the sudden Samourai Wallet shutdown. The U.S Department of Justice (DoJ) revealed the arrest of two co-founders, shedding light on the intricacies of their […] read more
  21. Knowledge Base
    3 Dnsmasq Vulnerabilities Fixed in Ubuntu
    Dnsmasq is a lightweight, easy-to-configure DNS forwarder and DHCP server commonly used in Linux distributions. It provides DNS caching and forwarding, DHCP services, router advertisement, and network booting. In recent updates, the Ubuntu security team has addressed three vulnerabilities in Dnsmasq, a widely used small caching DNS proxy and DHCP/TFTP server. These updates are crucial […] read more
  22. Knowledge Base
    Securing Virtual Machines in QEMU on Linux
    A neglected security update means unaddressed vulnerabilities, which is a prime target for attackers. A compromised VM image can be a security nightmare with malicious code or backdoors. QEMUCare enables live patching of the QEMU/KVM hypervisors, without needing to reboot them or migrate the virtual machines. QEMU, a powerful open-source tool, goes beyond simple emulation. […] read more
  23. Knowledge Base
    Pinyin Keyboard Security Breach: 1 Billion+ Users Exposed
    As per recent reports, research by the University of Toronto’s Citizen Lab concerning revelations surfaced about the vulnerabilities of numerous Chinese keyboard apps, including those developed by major handset manufacturers. These findings highlight potential risks to the privacy and security of approximately three-quarters of a billion users. In this article, we’ll learn about the Pinyin […] read more
  24. Knowledge Base
    Cisco Zero-Day Vulnerabilities: Hackers Exploit Two Flaws
    Recent cybersecurity alerts have illuminated a concerning trend: threat actors exploiting Cisco zero-day vulnerabilities’ networking equipment. Dubbed ArcaneDoor by Cisco Talos, this sophisticated malware campaign has raised alarms due to its covert data collection and advanced tactics. Let’s have a look into the details of these Cisco zero-day vulnerabilities and explore its implications for network […] read more
  25. Knowledge Base
    Ubuntu 24.04 Security Features: Find What’s New
    With the recent release of Ubuntu 24.04 LTS, dubbed Noble Numbat, users can enjoy a heightened level of security features and enhancements. As with previous Ubuntu releases, Noble Numbat extends its commitment to security with five years of free security maintenance for the main repository. However, what sets this release apart is its focus on […] read more
  26. Knowledge Base
    TuxCare Wins 2024 Global InfoSec Award
    PALO ALTO, Calif. – May 6, 2024 – TuxCare, a global innovator in enterprise-grade cybersecurity for Linux, today announced it won a 2024 Global Infosec Award from Cyber Defense Magazine (CDM), one of the industry’s premier sources of cybersecurity news in business and government.    Awarded with Best Solution in Vulnerability Management-as-a-Service, TuxCare’s now twice-won […] read more
  27. Knowledge Base
    Multiple nghttp2 Vulnerabilities Fixed in Ubuntu
    Recently, the Ubuntu security team addressed several vulnerabilities in nghttp2, a crucial HTTP/2 C Library and tool, across various Ubuntu releases. In this article, we will explore these vulnerabilities and understand their potential impacts on the system.   nghttp2 Vulnerabilities in Ubuntu   CVE-2019-9511 and CVE-2019-9513 (CVSS v3 Score: 7.5 High) nghttp2 incorrectly handled the […] read more
  28. Knowledge Base
    From Comparison to Choice: kpatch vs Ksplice and the Advantages of Switching to KernelCare
    Live patching enables crucial Linux security updates without reboots, eliminating downtime. Various live patching tools like kpatch, Ksplice, and KernelCare cater to different Linux distributions and needs. KernelCare stands out providing comprehensive live patching for diverse Linux environments. Adopting live patching is considered a cybersecurity best practice, offering an optimal solution for deploying security updates […] read more
  29. Knowledge Base
    Brokewell Malware: Cyber Attacks Via Fake Browser Updates
    In a recent revelation by threat detection company ThreatFabric, a newly identified Android trojan named Brokewell has emerged as a significant threat to users’ security. The malicious Brokewell malware not only possesses the capabilities of typical mobile banking malware but also grants attackers remote access to infected devices, raising alarms among cybersecurity experts. Understanding such […] read more
  30. Knowledge Base
    What is Proxmox VE – and Why You Should Live Patch It
    Proxmox VE, like any software, is vulnerable to security threats. Patching helps address these vulnerabilities, protecting your virtual machines from attacks. Traditional patching methods often require taking systems offline, leading to downtime and disruptions for critical business operations. TuxCare’s live patching ensures your Proxmox instances stay secure with the latest security fixes without needing to […] read more
  31. Knowledge Base
    FIN7 Cybercrime Group Strikes US Auto Sector Using Carbanak
    Recent reports have highlighted that the notorious FIN7 cybercrime group has targeted the U.S. automotive industry through a sophisticated spear-phishing campaign. Employing a familiar weapon, the Carbanak backdoor (also known as Anunak), they aimed to infiltrate systems and compromise sensitive data. This nefarious activity underscores the critical importance of robust cybersecurity measures in safeguarding against […] read more
  32. Knowledge Base
    New Linux Kernel Vulnerabilities Addressed in Ubuntu
    The Ubuntu security team has addressed several security vulnerabilities within the Linux kernel for both Ubuntu 23.10 and Ubuntu 22.04 LTS releases. These vulnerabilities, if left unpatched, could potentially cause a denial of service (system crash) or disclosure of sensitive information. Let’s delve into the details of these vulnerabilities and understand their implications.   Linux […] read more
  33. Knowledge Base
    Hardening Embedded Linux IoT Devices: A Comprehensive Guide
      Embedded systems often operate on specialized hardware with limited processing power, memory, and storage. Many embedded Linux IoT devices collect and transmit sensitive data. Hardening them reduces the risk of breaches that could expose this data. TuxCare’s live patching for IoT devices eliminates downtime concerns and streamlines the patching process, ensuring a secure and […] read more
  34. Knowledge Base
    LabHost Crackdown: 37 Arrested In Global Cybercrime Bust
    In a significant stride against cybercrime, law enforcement agencies worldwide have orchestrated a comprehensive crackdown on LabHost, a notorious cybercrime service facilitating multi-national phishing operations. This operation, named PhishOFF and Nebulae, has led to the arrest of 37 individuals involved in the nefarious activities of LabHost. Let’s look into the details of this international LabHost […] read more
  35. Knowledge Base
    klibc Vulnerabilities Addressed in Ubuntu
    Recently, the Ubuntu security team has patched multiple vulnerabilities in klibc, a set of small utilities crucial for early boot processes. These vulnerabilities, if left unaddressed, could potentially lead to denial of service or arbitrary code execution. In this blog post, we’ll explore the details of these vulnerabilities and understand the importance of keeping systems […] read more
  36. Knowledge Base
    MadMxShell Malware: Google Ads Malvertising Campaign Alert
    In a recent discovery, a malicious campaign has surfaced, employing Google Ads to distribute a newly identified backdoor malware called MadMxShell. This campaign is orchestrated through a network of deceptive domains resembling legitimate IP scanning software, aiming to dupe unsuspecting users into downloading malware onto their systems. In this article, we’ll dive into the MadMxShell […] read more
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