curl SOCKS5 Heap Overflow Vulnerability (CVC-2023-38545) Notification
outubro 12, 2023
Overview Recently, NSFOCUS monitored curl’s official security announcement, which fixed the SOCKS5 heap buffer overflow vulnerability (CVE-2023-38545) and cookie injection vulnerability (CVE-2023-38546). The details of the vulnerability have been made public. Affected users should upgrade curl as soon as possible. SOCKS5 Heap Buffer Overflow Vulnerability (CVS 2023-38545) When curl is required to pass the host […]
Exim Remote Code Execution Vulnerability (CVS 2023-42115) Notification
outubro 10, 2023
Overview Recently, NSFOCUS CERT detected an Exim remote code execution vulnerability (CVE-2023-42115). When external authentication is enabled, due to improper user input verification, an unauthenticated attacker can remotely exploit this vulnerability by writing data beyond the bounds, ultimately executing arbitrary code on the target server. At present, the details of the vulnerability have been disclosed. […]
Automated and Manual Backup Procedures for ADS, ADSM and NTA
outubro 6, 2023
Configuration backup is important in many scenarios: Next, we will provide a step-by-step guide on performing configuration backup individually for ADS, ADSM, and NTA. ADS ADS supports one-click export of the current configuration. Click Export on ADS System > Local Settings > Configuration File Management to download configuration files directly: Pay attention to the following […]
NSFOCUS Receives CNVD Outstanding Contribution Award for Original Vulnerability Submission
outubro 5, 2023
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 was awarded the Outstanding Contribution […]
Mirai Botnet’s New Wave: hailBot,kiraiBot, catDDoS, and Their Fierce Onslaught
outubro 3, 2023
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 the technical details of these […]
Google Chrome Heap Buffer Overflow Vulnerability (CVE-2023-5217) Notification
outubro 1, 2023
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 vulnerability has been exploited in […]
JumpServer Multiple Security Vulnerabilities Notification
setembro 28, 2023
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 to be replayed. Unauthenticated remote […]
Introduction to NSFOCUS WAF Website Group Health Check
setembro 28, 2023
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 website policy during the period […]
Google LibWebP Arbitrary Code Execution Vulnerability (CVE-2023-5129) Notification
setembro 27, 2023
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 has been detected that the […]
Warning: Newly Discovered APT Attacker AtlasCross Exploits Red Cross Blood Drive Phishing for Cyberattack
setembro 25, 2023
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 process comes from a new […]
