CISA Compiles Free Cybersecurity Services and Tools for Network Defenders

/in ,

Original release date: February 18, 2022

CISA has compiled and published a list of free cybersecurity services and tools to help organizations reduce cybersecurity risk and strengthen resiliency. This non-exhaustive living repository includes services provided by CISA, widely used open source tools, and free tools and services offered by private and public sector organizations across the cybersecurity community. Before turning to the free offerings, CISA strongly recommends organizations take certain foundational measures to implement a strong cybersecurity program:

CISA encourages network defenders to take the measures above and consult the list of free cybersecurity services and tools to reduce the likelihood of a damaging cyber incident, detect malicious activity, respond to confirmed incidents, and strengthen resilience.

This product is provided subject to this Notification and this Privacy & Use policy.

NSA Best Practices for Selecting Cisco Password Types

/in ,

Original release date: February 17, 2022

The National Security Agency (NSA) has released a Cybersecurity Information (CSI) sheet with guidance on securing network infrastructure devices and credentials. Cisco devices are used globally to secure network infrastructure devices, including across the Department of Defense, National Security Systems, and the Defense Industrial Base. Credentials within Cisco configuration files could be at risk of compromise if strong password types are not used. The CSI reviews Cisco’s password type options, the difficulty to crack each password type, and its vulnerability severity and provides recommendations for use.

CISA encourages administrators to review NSA’s CSI: Cisco Password Types: Best Practices and consider the recommendations to secure sensitive credentials.

This product is provided subject to this Notification and this Privacy & Use policy.

Drupal Releases Security Updates

/in ,

Original release date: February 17, 2022

Drupal has released security updates to address vulnerabilities affecting Drupal 7, 9.2, and 9.3. An attacker could exploit one of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the following Drupal security advisories and apply the necessary updates.

This product is provided subject to this Notification and this Privacy & Use policy.

Cisco Releases Security Updates for Email Security Appliance

/in ,

Original release date: February 17, 2022

Cisco has released security updates to address a vulnerability affecting Cisco Email Security Appliance. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.

CISA encourages users and administrators to review Cisco Advisory cisco-sa-esa-dos-MxZvGtgU and apply the necessary updates or workarounds.

This product is provided subject to this Notification and this Privacy & Use policy.

Mozilla Releases Security Update for Thunderbird  

/in ,

Original release date: February 16, 2022

Mozilla has released a security update to address a vulnerability in Thunderbird. An attacker could exploit this vulnerability to take control of an affected system.

CISA encourages users and administrators to review the Mozilla security advisory for Thunderbird 91.6.1 and make the necessary update.

This product is provided subject to this Notification and this Privacy & Use policy.

VMware Releases Security Updates for Multiple Products

/in ,

Original release date: February 16, 2022

VMware has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review VMware Security Advisories VMSA-2022-0004 and and VMSA-2022-0005 apply the necessary updates.

This product is provided subject to this Notification and this Privacy & Use policy.

Russian State-Sponsored Actors Target Cleared Defense Contractor Networks

/in ,

Original release date: February 16, 2022

CISA, the Federal Bureau of Investigation (FBI), and the National Security Agency (NSA) have released a joint Cybersecurity Advisory (CSA) highlighting regular targeting of U.S. cleared defense contractors (CDCs) by Russian state-sponsored cyber actors. These CDCs support contracts for the U.S. Department of Defense and Intelligence Community. The CSA provides incident response and remediation recommendations as well as mitigations to reduce the risk of compromise.

CISA encourages all critical infrastructure organizations to review the joint CSA: Russian State-Sponsored Cyber Actors Target Cleared Defense Contractor Networks to Obtain Sensitive U.S. Defense Information and Technology and apply the necessary mitigations. For more information on Russian state-sponsored malicious cyber activity see CISA’s Russia Cyber Threat Overview and Advisories page.

This product is provided subject to this Notification and this Privacy & Use policy.

CISA Adds Nine Known Exploited Vulnerabilities to Catalog

/in ,

Original release date: February 15, 2022

CISA has added nine new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and pose significant risk to the federal enterprise.

CVE Number CVE Title Remediation Due Date
CVE-2022-24086 Adobe Commerce and Magento Open Source Improper Input Validation Vulnerability 3/1/2022
CVE-2022-0609 Google Chrome Use-After-Free Vulnerability 3/1/2022
CVE-2019-0752 Microsoft Internet Explorer Type Confusion Vulnerability 8/15/2022
CVE-2018-8174 Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability 8/15/2022
CVE-2018-20250 WinRAR Absolute Path Traversal Vulnerability 8/15/2022
CVE-2018-15982 Adobe Flash Player Use-After-Free Vulnerability 8/15/2022
CVE-2017-9841 PHPUnit Command Injection Vulnerability 8/15/2022
CVE-2014-1761 Microsoft Word Memory Corruption Vulnerability 8/15/2022
CVE-2013-3906 Microsoft Graphics Component Memory Corruption Vulnerability 8/15/2022

 

Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.

Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the meet the specified criteria.

This product is provided subject to this Notification and this Privacy & Use policy.

FBI and USSS Release Advisory on BlackByte Ransomware

/in ,

Original release date: February 15, 2022

The Federal Bureau of Investigation (FBI) and the United States Secret Service (USSS) have released a joint Cybersecurity Advisory (CSA) identifying indicators of compromise associated with BlackByte ransomware. BlackByte is a Ransomware-as-a-Service group that encrypts files on compromised Windows host systems, including physical and virtual servers.

CISA encourages organizations to review the joint FBI-USSS CSA and apply the recommended mitigations.

This product is provided subject to this Notification and this Privacy & Use policy.

Google Releases Security Updates for Chrome

/in ,

Original release date: February 15, 2022

Google has released Chrome version 98.0.4758.102 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. One of these vulnerabilities has been detected in exploits in the wild.

CISA encourages users and administrators to review the Chrome Release Note and apply the necessary update as soon as possible.

This product is provided subject to this Notification and this Privacy & Use policy.