Blog

Overview Recently, NSFOCUS CERT found that Apache Arrow issued a security notice, which fixed an arbitrary code execution vulnerability in the PyArrow library (CVE-2023-47248). Due to PyArrow reading Arrow IPC, Feather, or Parquet data from untrusted sources, PyExtensionType creates an automatic loading feature that allows for deserialization of data from non PyArrow sources. When using […]

“My ChatGPT isn‘t working properly.“ “I can’t log in, and it’s not responding at all.” Just as OpenAI released a series of new features recently, ChatGPT experienced prolonged service disruptions last Wednesday. Subsequently, OpenAI issued a statement revealing that they were facing periodic outages across ChatGPT and the API due to a reflective Distributed Denial […]

The market for services protecting against distributed denial of service attacks, or Anti-DDoS, has a significant focus on mitigating attacks aimed at the network layer of companies’ infrastructure. In this type of attack, infected vectors are commonly used to generate requests without the aim of concrete communication, intending to flood internet transmission links with an […]

Overview In 2022, NSFOCUS Research Labs revealed a large-scale APT attack campaign called DarkCasino and identified an active and dangerous aggressive threat actor. By continuously tracking and in-depth study of the attacker’s activities, NSFOCUS Research Labs has ruled out its link with known APT groups, confirmed its high-level persistent threat nature, and following the operational […]

Establishing a Software Supply Chain Asset Register An organization’s products and services are diverse and complex. By establishing a software supply chain asset register, you can have a clear understanding of the supply chain relationships within your organization. The organization needs to create a comprehensive inventory of suppliers, software, tools, services, and upstream and downstream […]

NSFOCUS’s Next-Generation WAF addresses various threats faced by users, such as web vulnerability exploitation, resource abuse, and resource access control. It provides a comprehensive solution that includes traditional WAF functionality, bot traffic management, API security, and DDoS protection, all integrated into one coherent system. The upgraded system architecture ensures the security of web applications, business […]

Overview Recently, NSFOCUS CERT monitored that Atlassian officially fixed an improper authentication vulnerability in the Atlassian Communication Data Center and Server (CVE-2023-22518). Unauthenticated remote attackers can bypass the authentication of the target system to a certain extent by constructing malicious requests and obtain the authority to take over the server through the backend interface, achieving […]

Overview Recently, NSFOCUS CERT monitored that F5 had released a security announcement to fix a remote code execution vulnerability in BIG-IP (CVE-2023-46747). Due to the problem of F5 BIG-IP forwarding AJP protocol through Apache httpd, requests were smuggled, which could bypass permission verification. Unauthenticated remote attackers can access the BIG-IP system through the BIG-IP management […]

Overview Recently, NSFOCUS CERT detected a sensitive information disclosure vulnerability in Citrix NetScaler ADC and Gateway (CVE-2023-4966). When the device is configured as a gateway (VPN virtual server, ICA proxy, CVPN, RDP proxy) or AAA virtual server, unauthorized remote attackers can exploit this vulnerability to access sensitive information and cause information leakage. The CVSS score […]

SANTA CLARA, Calif., Oct 26, 2023 – NSFOCUS, a global leader in intelligent hybrid security solutions, proudly announces its recent acquisition of three significant certifications: the “Verification Statement of Greenhouse Gas Emissions,” the “Energy Management System Certificate,” and the “Certificate of Product Carbon Footprint.” Verification Statement of Greenhouse Gas Emissions In the face of the […]