Blog

Apache Arrow PyArrow Arbitrary Code Execution Vulnerability (CVS 2023-47248) Notification

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...

Why Isn’t My ChatGPT Working?

"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...

The New APT Group DarkCasino and the Global Surge in WinRAR 0-Day Exploits

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...