Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected device. CISA encourages users and administrators to review the following advisories and apply the necessary updates. watchOS 8.8.1 macOS Big Sur 11.7.8 macOS Monterey 12.6.7…

VMware has released a security update to address multiple memory corruption vulnerabilities in vCenter Server and Cloud Foundation. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review VMware Security Advisory VMSA-2023-0014 and apply the necessary updates. Source: https://www.cisa.gov/news-events/alerts/2023/06/23/vmware-releases-security-update-vcenter-server-and-cloud-foundation

An unknown threat actor is brute-forcing Linux SSH servers to install a wide range of malware, including the Tsunami DDoS (distributed denial of service) bot, ShellBot, log cleaners, privilege escalation tools, and an XMRig (Monero) coin miner. SSH (Secure Socket Shell) is an encrypted network communication protocol for logging into…

Today, CISA, Federal Bureau of Investigation (FBI), the National Security Agency (NSA), Multi-State Information Sharing and Analysis Center (MS-ISAC), and the Israel National Cyber Directorate (INCD) released the Guide to Securing Remote Access Software. This new joint guide is the result of a collaborative effort to provide an overview of legitimate…

Today, CISA, together with the National Security Agency (NSA), released a Cybersecurity Information Sheet (CSI), highlighting threats to Baseboard Management Controller (BMC) implementations and detailing actions organizations can use to harden them.  BMCs are trusted components designed into a computer's hardware that operate separately from the operating system (OS) and…

Fortinet has released security updates to address a heap-based buffer overflow vulnerability CVE-2023-27997 in FortiOS and FortiProxy. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Fortinet security advisory FG-IR-23-097 and apply the necessary updates. For more information, see Fortinet's…

Today, CISA, the Federal Bureau of Investigation (FBI), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and international partners released Understanding Ransomware Threat Actors: LockBit, a joint Cybersecurity Advisory (CSA) to help organizations understand and defend against threat actors using LockBit, the most globally used and prolific Ransomware-as-a-Service (RaaS) in…

Today, CISA, the Federal Bureau of Investigation (FBI), the National Security Agency (NSA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) published an updated version of the #StopRansomware Guide, as ransomware actors have accelerated their tactics and techniques since its initial release in 2020. The update incorporates lessons learned from…

VMware ESXi hypervisors are the target of a new wave of attacks designed to deploy ransomware on compromised systems. "These attack campaigns appear to exploit CVE-2021-21974, for which a patch has been available since February 23, 2021," the Computer Emergency Response Team (CERT) of France said in an advisory on Friday. VMware,…

Drupal released a security update to address a vulnerability affecting the Apigee Edge module for Drupal 9.x. An attacker could exploit this vulnerability to bypass access authorization or disclose sensitive information. CISA encourages users and administrators to review Drupal’s security advisory SA-CONTRIB- 2023-005 and apply the necessary update. Source: https://www.cisa.gov/uscert/ncas/current-activity/2023/02/02/drupal-releases-security-update-address-vulnerability-apigee-edge