Year: 2022

NTA Traffic Troubleshooting

December 30, 2022

Common Problems (1) Choose Monitor > Router, and find that no data is displayed or the router traffic data size is greatly different from that in the real situation.(2) The traffic of some region IP addresses is not monitored.(3) Before upgrading to NTA V4.5R90F02SP06, the router can monitor traffic data, but after the upgrade, no […]

Security Concept for Software Supply Chain (Part 3) – Building Trusted Software Supply Chain

December 28, 2022

A crop of multi-level upstream and downstream security problems makes software supply chain (SSC) security more complex.  It is difficult to assess and control the security of the whole chain only depending on companies, but it is necessary to strengthen the security supervision of the supply chain products, provide companies SBOM hosting and trusted certification […]

Multiple Security Vulnerabilities in Linux Kernel

December 27, 2022

Overview On December 26, 2022, NSFOCUS CERT detected multiple security vulnerabilities in Linux Kernel released online, relevant users are requested to take protective measures as soon as possible. Linux Kernel Remote Code Execution Vulnerability (CVE-2022-47939): A remote code execution vulnerability exists in Linux Kernel SMB2_TREE_DISCONNECT command processing. Due to the lack of verification of the […]

Bread Crumbs of Threat Actors (Dec 5, 2022 – Dec 18, 2022)

December 26, 2022

From December 5, 2022 to December 18, 2022, NSFOCUS Security Labs found activity clues of 66 APT groups, 3 malware families (MoonBounce Trojans, Razy Trojans and the CoinMinder), and 509 threat actors targeting critical infrastructure. APT Groups Among the 66 discovered APT groups, the APT28 affected the most significant number of hosts from December 5 […]

NSFOCUS Earns ISO 22301:2019 Business Continuity Management System Certification

December 23, 2022

Santa Clara, Calif. Dec 23, 2022 – NSFOCUS, a global provider of intelligent hybrid security solutions, announced today that it has attained ISO 22301:2019 Business Continuity Management System (BCMS) certification. ISO 22301 is an international standard for business continuity. It specifies the requirements for a management system to protect against, reduce the likelihood of occurrence, […]

Introduction to NSFOCUS WAF Web Decoding Function

December 22, 2022

WAF web decoding function can decode base64-encoded data. After that, WAF performs attack detection by identifying attack signatures and provides prevention. The web decoding function is configured per website. Web Decoding Configuration Step 1. Choose Security Management > Website Protection, select a website group, click Web Decoding, and then click Create in the upper-right corner […]

Bread Crumbs of Threat Actors (Nov 21, 2022 – Dec 4, 2022)

December 22, 2022

From November 21, 2022 to December 4, 2022, NSFOCUS Security Labs found activity clues of 60 APT groups, 2 malware families (Mozi ransomware and Banload Trojan horse), and 510 threat actors targeting critical infrastructure. APT Groups Among the 60 discovered APT groups, the APT group Outlaw affected the most significant number of hosts from November […]

Citrix ADC and Citrix Gateway Remote Code Execution Vulnerability (CVE-2022-27518)

December 15, 2022

Overview On December 14, NSFOCUS CERT detected that Citrix officially released a remote code execution vulnerability (CVE-2022-27518) in Citrix ADC and Gateway. Due to deficiencies in the system’s control over the lifecycle of resources, an unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on a target system when Citrix ADC and Citrix […]

Security Concept for Software Supply Chain (Part 2) — Assessable Capabilities of Software Supply Chain Compositions

December 14, 2022

To deal with threats from supply chains and ensure the security of their own IT infrastructure, companies shall set a list of software compositions to sort out the supply chain products, identify and manage key software suppliers, control security risks through security assessments at all stages of the life cycle of supply chains, and reduce […]

Fortinet FortiOS sslvpnd Remote Code Execution Vulnerability (CVE-2022-42475)

December 14, 2022

Overview Recently, NSFOCUS CERT detected that Fortinet officially fixed a remote code execution vulnerability (CVE-2022-42475) in FortiOS sslvpnd. Due to the flaw in sslvpnd’s validation of user input, an unauthenticated attacker can trigger a buffer overflow by sending a specially crafted packet, which can eventually execute arbitrary code on the target system. The CVSS score […]

Search

Subscribe to the NSFOCUS Blog