The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

ACSC Releases Advisory on Cyber Campaign using Copy-Paste Compromises

The Australian Cyber Security Centre (ACSC) has released an advisory regarding an ongoing cyber campaign involving “copy-paste compromises” targeting Australian government and commercial networks. According to the advisory, a sophisticated malicious cyber actor is carrying out the campaign using open-source code that exploits known remote code execution vulnerabilities and spearphishing attacks.

Microsoft Releases Security Updates for Windows

Microsoft has released security updates to address a vulnerability in Windows 10 version 1903. An attacker could exploit this vulnerability to overwrite or modify a protected file and gain elevated privileges.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Microsoft’s Security Advisory for CVE-2020-1441 and apply the necessary updates.

Cisco Releases Multiple Security Updates

Cisco has released security updates to address vulnerabilities affecting multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the following Cisco advisories and apply the necessary updates:

ISC Releases Security Advisories for BIND

The Internet Systems Consortium (ISC) has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain (BIND). A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition.

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 7, 8.8, 8.9, and 9.0. A remote attacker could exploit one of these vulnerabilities to take control of an affected system.  

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Drupal Advisories SA-CORE-2020-004 and SA-CORE-2020-005 for more information and to apply the necessary updates. 

CERT NZ Releases Advisory on Ransomware Campaign

The New Zealand Computer Emergency Response Team (CERT NZ) has released an advisory on a ransomware campaign leveraging remote access technologies. Malicious cyber actors are targeting organizations’ networks through remote access tools, such as Remote Desktop Protocol and virtual private networks, to exploit unpatched vulnerabilities and weak authentication.