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MUST READ

U.S. CISA urges FCEB agencies to fix two Microsoft SharePoint flaws immediately and added them to its Known Exploited Vulnerabilities catalog

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Sophos fixed two critical Sophos Firewall vulnerabilities

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French Authorities confirm XSS.is admin arrested in Ukraine

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Microsoft linked attacks on SharePoint flaws to China-nexus actors

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Cisco confirms active exploitation of ISE and ISE-PIC flaws

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SharePoint under fire: new ToolShell attacks target enterprises

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CrushFTP zero-day actively exploited at least since July 18

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Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

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MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

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U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

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Microsoft issues emergency patches for SharePoint zero-days exploited in "ToolShell" attacks

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SharePoint zero-day CVE-2025-53770 actively exploited in the wild

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Singapore warns China-linked group UNC3886 targets its critical infrastructure

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U.S. CISA adds Fortinet FortiWeb flaw to its Known Exploited Vulnerabilities catalog

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 54

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Security Affairs newsletter Round 533 by Pierluigi Paganini – INTERNATIONAL EDITION

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Radiology Associates of Richmond data breach impacts 1.4 million people

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Fortinet FortiWeb flaw CVE-2025-25257 exploited hours after PoC release

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Authorities released free decryptor for Phobos and 8base ransomware

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Anne Arundel Dermatology data breach impacts 1.9 million people

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LINUX

Pierluigi Paganini July 04, 2025
Critical Sudo bugs expose major Linux distros to local Root exploits

Critical Sudo flaws let local users gain root access on Linux systems, the vulnerabilities affect major Linux distributions. Cybersecurity researchers disclosed two vulnerabilities in the Sudo command-line utility for Linux and Unix-like operating systems. Local attackers can exploit the vulnerabilities to escalate privileges to root on affected systems. Sudo (short for “superuser do”) is a […]

Pierluigi Paganini June 20, 2025
Linux flaws chain allows Root access across major distributions

Researchers discovered two local privilege escalation flaws that could let attackers gain root access on systems running major Linux distributions. Qualys researchers discovered two local privilege escalation (LPE) vulnerabilities, an attacker can exploit them to gain root privileges on machines running major Linux distributions. The two vulnerabilities are: The first flaw (CVE-2025-6018) allows an unprivileged […]

Pierluigi Paganini June 18, 2025
U.S. CISA adds Linux Kernel flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Linux Kernel vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Google Chromium V8 Out-of-Bounds Read and Write Vulnerability, tracked as CVE-2023-0386, to its Known Exploited Vulnerabilities (KEV) catalog. The vulnerability, CVE-2023-0386 (CVSS score: 7.8), is an improper ownership vulnerability in the Linux kernel that […]

Pierluigi Paganini May 31, 2025
Two Linux flaws can lead to the disclosure of sensitive data

Qualys warns of two information disclosure flaws in apport and systemd-coredump, the core dump handlers in Ubuntu, Red Hat Enterprise Linux, and Fedora distros. Researchers discovered a vulnerability in Apport (Ubuntu’s core dump handler) and another bug in systemd-coredump, which is used in the default configuration of Red Hat Enterprise Linux 9 and the Fedora distribution. systemd-coredump automatically captures “core […]

Pierluigi Paganini April 28, 2025
PoC rootkit Curing evades traditional Linux detection systems

Researchers created a PoC rootkit called Curing that uses Linux’s io_uring feature to evade traditional system call monitoring. Armo researchers have demonstrated a proof-of-concept (PoC) rootkit named Curing that relies on Linux asynchronous I/O mechanism io_uring to bypass traditional system call monitoring. “Curing is a POC of a rootkit that uses io_uring to perform different tasks without using any syscalls, […]

Pierluigi Paganini April 10, 2025
U.S. CISA adds Linux Kernel flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Linux Kernel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Linux Kernel flaws, respectively tracked as CVE-2024-53197 and CVE-2024-53150, to its Known Exploited Vulnerabilities (KEV) catalog. The vulnerability CVE-2024-53197 (CVSS score of 7.8) resides in the Linux kernel’s ALSA USB-audio driver affecting Extigy […]

Pierluigi Paganini March 17, 2025
Researcher releases free GPU-Based decryptor for Linux Akira ransomware

A researcher released a free decryptor for Linux Akira ransomware, using GPU power to recover keys through brute force. Security researcher Yohanes Nugroho created a free decryptor for Linux Akira ransomware, using GPUs to brute force the decryption keys. Initially estimating a week, the project took three weeks and cost $1,200 in GPU resources due […]

Pierluigi Paganini February 05, 2025
U.S. CISA adds Linux kernel flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Linux kernel vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Linux kernel vulnerability, tracked as CVE-2024-53104, to its Known Exploited Vulnerabilities (KEV) catalog. The February 2025 Android security updates addressed 48 vulnerabilities, the zero-day flaw CVE-2024-53104 which is actively exploited in attacks […]

Pierluigi Paganini December 03, 2024
BootKitty Linux UEFI bootkit spotted exploiting LogoFAIL flaws

The ‘Bootkitty’ Linux UEFI bootkit exploits the LogoFAIL flaws (CVE-2023-40238) to target systems using vulnerable firmware. Cybersecurity researchers from ESET recently discovered the first UEFI bootkit designed to target Linux systems, called by its authors Bootkitty. The bootkit allows attackers to disable the kernel’s signature verification feature and to preload two as yet unknown ELF […]

Pierluigi Paganini November 27, 2024
Bootkitty is the first UEFI Bootkit designed for Linux systems

ESET discovered the first Unified Extensible Firmware Interface (UEFI) bootkit specifically designed for Linux systems, named Bootkitty. Cybersecurity researchers from ESET discovered the first UEFI bootkit designed to target Linux systems, called by its authors Bootkitty. The bootkit allows attackers to disable the kernel’s signature verification feature and to preload two as yet unknown ELF […]

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    recent articles

    U.S. CISA urges FCEB agencies to fix two Microsoft SharePoint flaws immediately and added them to its Known Exploited Vulnerabilities catalog

    Hacking / July 23, 2025

    Sophos fixed two critical Sophos Firewall vulnerabilities

    Security / July 23, 2025

    French Authorities confirm XSS.is admin arrested in Ukraine

    Cyber Crime / July 23, 2025

    Microsoft linked attacks on SharePoint flaws to China-nexus actors

    APT / July 23, 2025

    Cisco confirms active exploitation of ISE and ISE-PIC flaws

    Hacking / July 22, 2025

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