Malware

Mozilla has released security updates to address vulnerabilities for Thunderbird 115.3, Firefox ESR 115.3, and Firefox 118. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla security advisories for Thunderbird 115.3, Firefox ESR 115.3 and Firefox 118 for more information and apply the necessary updates.

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Today, the U.S. National Security Agency (NSA), Federal Bureau of Investigation (FBI), and Cybersecurity and Infrastructure Security Agency (CISA), along with the Japan National Police Agency (NPA) and the Japan National Center of Incident Readiness and Strategy for Cybersecurity (NISC) released joint Cybersecurity Advisory (CSA) People’s Republic of China-Linked Cyber Actors Hide in Router Firmware. The CSA details activity by cyber actors, known as BlackTech, linked to the People’s Republic of China (PRC). The advisory…

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Atlassian has released its security bulletin for September 2023 to address vulnerabilities in multiple products. A malicious cyber actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Atlassian’s September 2023 Security Bulletin and apply the necessary updates.

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The Internet Systems Consortium (ISC) has released security advisories to address vulnerabilities affecting ISC’s Berkeley Internet Name Domain (BIND) 9. A malicious cyber actor could exploit these vulnerabilities to cause denial-of-service conditions. CISA encourages users and administrators to review the following ISC advisories and apply necessary updates or workarounds: CVE-2023-4236: named may terminate unexpectedly under high DNS-over-TLS query load CVE-2023-3341: A stack exhaustion flaw in control channel code may cause named to terminate unexpectedly

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Today, the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) released joint Cybersecurity Advisory (CSA) #StopRansomware: Snatch Ransomware, which provides indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) associated with the Snatch ransomware variant. FBI investigations identified these IOCs and TTPs as recently as June 1, 2023. Snatch threat actors operate a ransomware-as-a-service (RaaS) model and change their tactics according to current cybercriminal trends and successes of other ransomware…

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Today, CISA released the Continuous Diagnostics and Mitigation Program: Identity, Credential, and Access Management (ICAM) Reference Architecture to help federal civilian departments and agencies integrate their identity and access management (IDAM) capabilities into their ICAM architectures. Prior to this release, there was no singular, authoritative, and recognized reference for architecting an ICAM capability across an enterprise.  This publication provides: a description of the federal ICAM practice area, including how ICAM services and components implement ICAM use…

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Fortinet has released security updates to address vulnerabilities (CVE-2023-29183 and CVE-2023-34984) affecting FortiOS, FortiProxy, and FortiWeb. A cyber threat actor can exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Fortinet security advisories (FG-IR-23-106 and FG-IR-23-068) and apply the necessary updates.

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CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-35674 Android Framework Privilege Escalation Vulnerability CVE-2023-20269 Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability CVE-2023-4863 Google Chrome Heap-Based Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view other newly added vulnerabilities in the catalog, click on the arrow in the “Date Added…

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Today, the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), and the Cybersecurity and Infrastructure Security Agency (CISA) released a Cybersecurity Information Sheet (CSI), Contextualizing Deepfake Threats to Organizations, which provides an overview of synthetic media threats, techniques, and trends. Threats from synthetic media, such as deepfakes, have exponentially increased—presenting a growing challenge for users of modern technology and communications, including the National Security Systems (NSS), the Department of Defense (DoD), the Defense…

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Today, CISA released an Open Source Software Security Roadmap to lay out—in alignment with the National Cybersecurity Strategy and the CISA Cybersecurity Strategic Plan—how we will partner with federal agencies, open source software (OSS) consumers, and the OSS community, to secure OSS infrastructure. To that end, the roadmap details four key goals: Establish CISA’s role in supporting the security of OSS, Understand the prevalence of key open source dependencies, Reduce risks to the federal government,…

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