Malware

CERT Coordination Center (CERT/CC) has released information on a vulnerability in R programming language implementations (CVE-2024-27322). A cyber threat actor could exploit this vulnerability to take control of an affected system. Users and administrators are encouraged to review the following advisories and apply the necessary updates: CERT/CC VU#23819 Hidden Layer Blog: R-Bitrary Code Execution–Vulnerability in R’s Deserialization Comprehensive R Archive Network

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Today, Cisco released security updates to address ArcaneDoor—exploitation of Cisco Adaptive Security Appliances (ASA) devices and Cisco Firepower Threat Defense (FTD) software. A cyber threat actor could exploit vulnerabilities (CVE-2024-20353, CVE-2024-20359, CVE-2024-20358) to take control of an affected system.  Cisco has reported active exploitation of CVE 2024-20353 and CVE-2024-20359 and CISA has added these vulnerabilities to its Known Exploited Vulnerabilities Catalog.  CISA strongly encourages users and administrators to apply the necessary updates, hunt for any malicious activity,…

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Cisco has released security advisories for vulnerabilities in the Cisco integrated management controller. A remote cyber threat actor could exploit one of these vulnerabilities to take control of an affected system.  Users and administrators are encouraged to review the following advisories and apply the necessary updates:  Cisco Integrated Management Controller CLI Command Injection Vulnerability Cisco Integrated Management Controller Web-Based Management Interface Command Injection Vulnerability

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Oracle released its quarterly Critical Patch Update Advisory for April 2024 to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  Users and administrators are encouraged to review the following Critical Patch Update Advisory and apply the necessary updates:   April 2024 Critical Patch Update Advisory

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Today, CISA, the Federal Bureau of Investigation (FBI), Europol’s European Cybercrime Centre (EC3), and the Netherlands’ National Cyber Security Centre (NCSC-NL) released a joint Cybersecurity Advisory (CSA), #StopRansomware: Akira Ransomware, to disseminate known Akira ransomware tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) identified through FBI investigations as recently as February 2024. Evolving from an initial focus on Windows systems to a Linux variant targeting VMware ESXi virtual machines, Akira threat actors began…

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Today, the National Security Agency’s Artificial Intelligence Security Center (NSA AISC) published the joint Cybersecurity Information Sheet Deploying AI Systems Securely in collaboration with CISA, the Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD ACSC), the Canadian Centre for Cyber Security (CCCS), the New Zealand National Cyber Security Centre (NCSC-NZ), and the United Kingdom’s National Cyber Security Centre (NCSC-UK). The guidance provides best practices for deploying and operating externally…

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Palo Alto Networks has released workaround guidance for a command injection vulnerability (CVE-2024-3400) affecting PAN-OS versions 10.2, 11.0, and 11.1. Palo Alto Networks has reported active exploitation of this vulnerability in the wild.  CISA encourages users and administrators to review the Palo Alto Networks Security Advisory, apply the current mitigations, and update the affected software when Palo Alto Networks makes the fixes available.  CISA has also added this vulnerability to its Known Exploited Vulnerabilities Catalog.…

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Citrix released security updates to address multiple vulnerabilities in XenServer and Citrix Hypervisor. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review and apply the necessary updates:  XenServer and Citrix Hypervisor Security Update for CVE-2023-46842, CVE-2024-2201 and CVE-2024-31142

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Juniper has released security updates to address multiple vulnerabilities in Junos OS, Junos OS Evolved, Paragon Active Assurance and Junos OS: EX4300 Series. A cyber threat actor could exploit some of these vulnerabilities to cause a denial-of-service condition. Users and administrators are encouraged to review Juniper’s Support Portal and apply the necessary updates.

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CISA is collaborating with private industry partners to respond to a recent compromise discovered by independent security researchers impacting Sisense, a company that provides data analytics services. CISA urges Sisense customers to: Reset credentials and secrets potentially exposed to, or used to access, Sisense services.  Investigate—and report to CISA—any suspicious activity involving credentials potentially exposed to, or used to access, Sisense services. CISA is taking an active role in collaborating with private industry partners to…

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