The CNVD (China National Vulnerability Database) platform recently initiated the 2022 annual technical group support unit's capability assessment. A comprehensive assessment was conducted across six capability domains, including vulnerability collection, vulnerability discovery, big data analysis of vulnerability threat risks, vulnerability technical analysis, major vulnerability incident response, and collaborative teamwork. NSFOCUS...
Category: Blog
Mirai Botnet’s New Wave: hailBot,kiraiBot, catDDoS, and Their Fierce Onslaught
I. Abstract In September 2023, NSFOCUS global threat hunting system monitored several new botnet variant families developed based on Mirai, among which hailBot, kiraiBot and catDDoS are the most active, are accelerating their spread, and are widely deployed, which has constituted a considerable threat. Through this article, we will disclose...
Google Chrome Heap Buffer Overflow Vulnerability (CVE-2023-5217) Notification
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...
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...
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...
