Browsing tag

Privilege Escalation

Muddled Libra Shifts Focus to SaaS and Cloud for Extortion and Data Theft Attacks

The threat actor known as Muddled Libra has been observed actively targeting software-as-a-service (SaaS) applications and cloud service provider (CSP) environments in a bid to exfiltrate sensitive data. “Organizations often store a variety of data in SaaS applications and use services from CSPs,” Palo Alto Networks Unit 42 said in a report published last week. […]

Timing is Everything: The Role of Just-in-Time Privileged Access in Security Evolution

To minimize the risk of privilege misuse, a trend in the privileged access management (PAM) solution market involves implementing just-in-time (JIT) privileged access. This approach to privileged identity management aims to mitigate the risks associated with prolonged high-level access by granting privileges temporarily and only when necessary, rather than providing users with continuous high-level privileges. […]

WordPress Admins Urged to Remove miniOrange Plugins Due to Critical Flaw

WordPress users of miniOrange’s Malware Scanner and Web Application Firewall plugins are being urged to delete them from their websites following the discovery of a critical security flaw. The flaw, tracked as CVE-2024-2172, is rated 9.8 out of a maximum of 10 on the CVSS scoring system and discovered by Stiofan. It impacts the following […]

Cisco Issues Patch for High-Severity VPN Hijacking Bug in Secure Client

Cisco has released patches to address a high-severity security flaw impacting its Secure Client software that could be exploited by a threat actor to open a VPN session with that of a targeted user. The networking equipment company described the vulnerability, tracked as CVE-2024-20337 (CVSS score: 8.2), as allowing an unauthenticated, remote attacker to conduct […]

Lazarus Hackers Exploited Windows Kernel Flaw as Zero-Day in Recent Attacks

The notorious Lazarus Group actors exploited a recently patched privilege escalation flaw in the Windows Kernel as a zero-day to obtain kernel-level access and disable security software on compromised hosts. The vulnerability in question is CVE-2024-21338 (CVSS score: 7.8), which can permit an attacker to gain SYSTEM privileges. It was resolved by Microsoft earlier this […]

Act Now: CISA Flags Active Exploitation of Microsoft SharePoint Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security vulnerability impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The issue, tracked as CVE-2023-29357 (CVSS score: 9.8), is a privilege escalation flaw that could be exploited by an attacker to gain administrator privileges. Microsoft […]

Russian SVR-Linked APT29 Targets JetBrains TeamCity Servers in Ongoing Attacks

Threat actors affiliated with the Russian Foreign Intelligence Service (SVR) have targeted unpatched JetBrains TeamCity servers in widespread attacks since September 2023. The activity has been tied to a nation-state group known as APT29, which is also tracked as BlueBravo, Cloaked Ursa, Cozy Bear, Midnight Blizzard (formerly Nobelium), and The Dukes. It’s notable for the […]

Critical Zero-Days in Atera Windows Installers Expose Users to Privilege Escalation Attacks

Zero-day vulnerabilities in Windows Installers for the Atera remote monitoring and management software could act as a springboard to launch privilege escalation attacks. The flaws, discovered by Mandiant on February 28, 2023, have been assigned the identifiers CVE-2023-26077 and CVE-2023-26078, with the issues remediated in versions 1.8.3.7 and 1.8.4.9 released by Atera on April 17, […]

Microsoft Discovers New Privilege Escalation Flaws in Linux Operating System

Microsoft on Tuesday disclosed a set of two privilege escalation vulnerabilities in the Linux operating system that could potentially allow threat actors to carry out an array of nefarious activities. Collectively called “Nimbuspwn,” the flaws “can be chained together to gain root privileges on Linux systems, allowing attackers to deploy payloads, like a root backdoor, […]

New Windows and Linux Flaws Give Attackers Highest System Privileges

Microsoft’s Windows 10 and the upcoming Windows 11 versions have been found vulnerable to a new local privilege escalation vulnerability that permits users with low-level permissions access Windows system files, in turn, enabling them to unmask the operating system installation password and even decrypt private keys. The vulnerability has been nicknamed “SeriousSAM.” “Starting with Windows […]

BIOS PrivEsc Bugs Affect Hundreds of Millions of Dell PCs Worldwide

PC maker Dell has issued an update to fix multiple critical privilege escalation vulnerabilities that went undetected since 2009, potentially allowing attackers to gain kernel-mode privileges and cause a denial-of-service condition. The issues, reported to Dell by researchers from SentinelOne on Dec. 1, 2020, reside in a firmware update driver named “dbutil_2_3.sys” that comes pre-installed […]

Severe Auth Bypass and Priv-Esc Vulnerabilities Disclosed in OpenBSD

OpenBSD, an open-source operating system built with security in mind, has been found vulnerable to four new high-severity security vulnerabilities, one of which is an old-school type authentication bypass vulnerability in BSD Auth framework. The other three vulnerabilities are privilege escalation issues that could allow local users or malicious software to gain privileges of an […]

100 Million Dell PCs At Risk Due To Criticial Bug In ‘SupportAssist’ Software

The SupportAssist software comes pre-loaded on most Dell laptops and desktops. It’s used to check for different hardware and software issues that could arise over the course of time on Dell machines. For example, it can be used to test whether the battery is in a healthy condition or not. Unfortunately, the innocent-looking SupportAssist could […]

Attackers Can Bypass Lenovo Fingerprint Manager through a Hard-coded Password

Lenovo released a security update for critical vulnerability with Lenovo Fingerprint Manager Pro that impacts dozens of ThinkPad, ThinkCentre and ThinkStation Workstations that are running Windows 7, 8 and the 8.1 operating systems. It is a utility for user authentication based on fingerprint recognition for Windows 8.1 (32-bit, 64-bit), 8 (32-bit, 64-bit), 7 (32-bit, 64-bit) […]