Overview Recently, NSFOCUS CERT found that Google officially fixed a zero-day exploit (CVE-2023-5217), which was caused by the heap buffer overflow in the VP8 encoding of the open source libvpx video codec library. An attacker could use this vulnerability to execute arbitrary code on the target system. At present, this...
Year: 2023
O que são bots? Conheça os tipos e como se precaver
Os bots, uma abreviação para robôs, tornaram-se uma parte essencial do nosso mundo digital. Eles desempenham várias funções, desde automatizar tarefas simples até realizar atividades complexas na internet. Neste artigo, vamos conhecer melhor o mundo dos bots, como eles funcionam, os diferentes tipos e como você pode proteger sua empresa...
JumpServer Multiple Security Vulnerabilities Notification
Overview Recently, NSFOCUS CERT monitored that JumpServer officially issued a notice to fix multiple security vulnerabilities. The vulnerabilities are detailed below. JumpServer Reset Password Vulnerability (CVS 2023-42820): There is a password reset vulnerability in JumpServer, as third-party libraries expose random seed numbers to APIs, which may cause random verification codes...
Introduction to NSFOCUS WAF Website Group Health Check
The Website Group Health Check feature at Security Management -> Website Protection -> Root -> Website Group Health Check -> One-Click Check helps users to check whether the website group policies are working as configured and identify potential issues of site configuration compiling. For example, if users change any current...
Google LibWebP Arbitrary Code Execution Vulnerability (CVE-2023-5129) Notification
Overview Recently, NSFOCUS CERT found that Google officially fixed a heap buffer overflow vulnerability (CVE-2023-4863). Due to a flaw in the WebP module, an attacker triggered the vulnerability by inducing users to visit a malicious website, which ultimately led to arbitrary code execution on the target system. At present, it...
Warning: Newly Discovered APT Attacker AtlasCross Exploits Red Cross Blood Drive Phishing for Cyberattack
I. Abstract NSFOCUS Security Labs recently discovered a new attack process based on phishing documents in their daily threat-hunting operations. Delving deeper into this finding through extensive research, they confirmed two new Trojan horse programs and many rare attack techniques and tactics. NSFOCUS Security Labs believes that this new attack...
