Attacks

Mozilla has released security advisories to address vulnerabilities in Firefox and Firefox ESR. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following advisories and apply the necessary updates: Security Vulnerabilities fixed in Firefox 113 Mozilla Foundation Security Advisory 2023-16 Security Vulnerabilities fixed in Firefox ESR 102.11 Mozilla Foundation Security Advisory 2023-17 For updates addressing lower severity vulnerabilities, see the…

Read More

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s May 2023 Security Update Guide and Deployment Information and apply the necessary updates.

Read More

The Federal Communications Commission (FCC) maintains a Covered List of communications equipment and services that have been determined by the U.S. government to pose an unacceptable risk to the national security of the United States or the security and safety of United States persons to national security pursuant to the Secure and Trusted Communications Networks Act of 2019. As the 6th annual National Supply Chain Integrity Month concludes, CISA reminds all critical infrastructure owners and operators…

Read More

CISA has issued requests for comment on the Secure Software Self-Attestation Form. CISA, in coordination with the Office of Budget and Management (OMB), released proposed guidance on secure software. This guidance seeks to secure software leveraged by the federal government. CISA expects agencies to use this proposed form to reduce the risk to the federal environment, thereby implementing a standardized process for agencies and software producers that will create transparency on the security of software…

Read More

CISA released one Industrial Control Systems Medical (ICS) medical advisory on April 27, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS medical advisory for technical details and mitigations: ICSMA-23-117-01 Illumina Universal Copy Service

Read More

The Service Location Protocol (SLP, RFC 2608) allows an unauthenticated remote attacker to register arbitrary services. This could allow an attacker to use spoofed UDP traffic to conduct a denial-of-service (DoS) attack with a significant amplification factor. Researchers from Bitsight and Curesec have discovered a way to abuse SLP—identified as CVE-2023-29552—to conduct high amplification factor DoS attacks using spoofed source addresses. As noted by Bitsight, many SLP services visible on the internet appear to be…

Read More

VMware has released a security update to address multiple vulnerabilities in Aria Operations for Logs (formerly vRealize Log Insight). 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-2023-0007 and apply the necessary updates.

Read More