Blog

Apache Struts Arbitrary File Upload Vulnerability S2-067 (CVE-2024-53677)

dezembro 16, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT monitored that Apache released a security bulletin, fixing the Apache Struts arbitrary file upload vulnerability S2-067 (CVE-2024-53677). Due to a logical defect in the file upload function, an unauthenticated attacker can perform path traversal by controlling the file upload parameters, thereby uploading malicious files to achieve remote code execution. The CVSS […]

Imagem que ilustra um ataque de negação de serviço.

Ataque de negação de serviço (DDoS): o que é e como se prevenir?

dezembro 14, 2024 | Eduardo Guerra

Os ataques cibernéticos estão cada vez mais sofisticados, e um dos métodos mais conhecidos é o ataque de negação de serviço (ou DDoS). Esse formato pode causar inúmeros prejuízos financeiros, operacionais e para a reputação, e afeta todos os portes de empresas e pessoas. Mas o que é um ataque de negação de serviço e […]

Microsoft’s December Security Update of High-Risk Vulnerabilities in Multiple Products

dezembro 14, 2024 | NSFOCUS

Overview On December 11th, NSFOCUS CERT monitored that Microsoft released the December security update patch, fixing 72 security issues involving widely-used products such as Windows, Windows LDAP, Microsoft Office, Windows Remote Desktop Services, and Microsoft SharePoint. These include high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed in this […]

NSFOCUS DDoS Protection Service Neutralized a Terabit-Scale DDoS Attack

dezembro 10, 2024 | NSFOCUS

In Q4 of 2024, NSFOCUS observed and successfully mitigated the largest DDoS attack ever recorded under the cloud-based DDoS Protection Service (DPS). This massive DDoS attack targeted a telecommunications service provider, one of NSFOCUS’s global clients. The telecommunications industry frequently faces such cyber threats. However, the scale of this attack was unprecedented, with peak traffic […]

NSFOCUS’s Coogo: An Automated Penetration Testing Tool

dezembro 6, 2024 | NSFOCUS

The video above demonstrates an automated penetration test in a simple container escape scenario. In this video, in addition to using NSFOCUS’s open-source cloud-native cyber range software Metarget (for quickly and automatically building vulnerable cloud-native target machine environments), NSFOCUS’s own developed cloud-native attack suite Coogo is also utilized. Today, we will provide a brief introduction […]

Metarget Update: Enhanced Open-Source Cyber Range with Over 330 Vulnerabilities and Seamless One-Click Recovery

dezembro 4, 2024 | NSFOCUS

When researching vulnerabilities, we often find that environment setup takes up a significant amount of time, and in comparison, the actual time spent testing PoCs and exploits may be relatively short. Meanwhile, there are excellent security projects in the open-source community, such as Vulhub and VulApps, which package vulnerability scenarios into images, allowing researchers to […]

Zabbix Server SQL Injection Vulnerability (CVE-2024-42327)

dezembro 3, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that Zabbix released a security announcement and fixed the SQL injection vulnerability (CVE-2024-42327) of Zabbix server. Due to the SQLi vulnerability in the CUser class in the addRelatedObjects function, attackers with default user permission or API access can call the CUser.get function. This could lead to unauthorized access to sensitive […]

Alert: XorBot Comes Back with Enhanced Tactics

novembro 21, 2024 | NSFOCUS

I. Overview According to the monitoring by NSFOCUS, since the beginning of 2024, a new-type botnet family with a high level of anti-tracking awareness—XorBot—has been continuously updating its versions and introducing new features, undergoing significant changes. This botnet family first emerged in November 2023 and was exclusively disclosed by the NSFOCUS Security Labs in December […]

Microsoft’s Security Update in November on High-Risk Vulnerabilities in Multiple Products

novembro 15, 2024 | NSFOCUS

Overview On November 13, NSFOCUS CERT detected that Microsoft released a security update patch for November, which fixed 89 security issues, including Windows, Microsoft SQL Server, Microsoft Office, Azure, Open Source Software, Microsoft Visual Studio, System Center and other widely used products, including high-risk vulnerabilities such as privilege escalation vulnerability and remote code execution vulnerability. […]

Uma imagem que ilustra o que é XDR.

O que é XDR? Descubra como funciona

novembro 14, 2024 | Eduardo Guerra

No complexo mundo da cibersegurança, a detecção e resposta estendidas, que também pode ser chamada de XDR, emergem como uma solução eficaz.  Continue a leitura para entender o que é, como funciona e por que as empresas estão recorrendo a essa abordagem inovadora para proteger suas operações contra ameaças digitais. O que é detecção e […]