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Overview Recently, NSFOCUS CERT found that Fortinet has officially fixed a remote code execution vulnerability in FortiOS SSL VPN (CVS-2023-27997). Due to the heap-based Buffer overflow error in SSL VPN, an unauthenticated attacker can trigger the vulnerability by sending a specially crafted packet, which can ultimately enable the execution of arbitrary code on the target […]

I. Summary Recently, NSFOCUS Security Labs observed some phishing attacks targeting Turkish companies, including the Turkish industrial group Borusan Holding, communication operator Turkcell, bank Vakıf Katılım, and online lottery service company Nesine. The attacker placed different types of phishing documents and new Trojan programs in this group of activities to steal file data of the […]

Overview Recently, NSFOCUS CERT found that there was a deserialization vulnerability in Nacos’s Raft protocol. Due to the Nacos cluster’s unrestricted use of Hessian for deserialization when processing some Jraft requests, attackers can execute code. Affected users should take protective measures as soon as possible. Vulnerability Details Vulnerability PoC Vulnerability EXP Utilization in the wilderness […]

At the RSA Conference 2023, Yossi Weizman, Senior Security Researcher at Microsoft Defender for Cloud, shared with us the lateral movement of the Kubernetes (aka K8s) cluster and its impact on the cloud environment. Based on Yossi’s speech and NSFOCUS researchers’ understanding, this paper describes the use of lateral movement from the perspective of attack, […]

Keyword 1: Stronger Together Alone we can do so little; together we can do so much.” – Helen Keller The theme of this year’s conference is “Stronger Together”. What does “Stronger” mean? What is the specific scope to be “Together”? “Stronger” refers to the ability of the business itself to resist security risks. Although defensive […]

Limitations of Pre-configured DDoS Protection Policies Lots of organizations have realized that DDoS defense is critical to the availability of network infrastructure. But most Anti-DDoS solutions in the market still rely on pre-configured protection policies with multiple threshold options to offer multi-layered protection at different levels. However, this approach has some limitations: Considering these limitations, […]

Santa Clara, Calif. June 1, 2023 – We are proud to announce that NSFOCUS has been included in the Gartner®2023 Market Guide for Security Threat Intelligence Products and Services[1] as a representative vendor for 3 years in a row. According to this report published in May, “Security and risk management leaders struggle to know what […]

Overview Recently, NSFOCUS CERT found that the PoC of Apache RocketMQ remote code execution vulnerability (CVE-2023-33246) was publicly disclosed online. Due to the lack of appropriate permission verification in some components such as NameServer, Broker, and Controller of RocketMQ, they were unintentionally exposed to the external network. In specific circumstances, attackers can execute commands or […]

“Stronger Together” is the theme of the RSA Conference this year. Under the trend that the cyber security industry not only deeply participates in international competition to ensure technological advancement, but also continues to strengthen independent innovation ability, this theme reflects the development vitality and unique confrontation characteristics of this industry and is in line […]

Overview Recently, NSFOCUS CERT found that GitLab officially issued a security notice, fixing an arbitrary file reading vulnerability (CVE-2023-2825) in GitLab Community Edition (CE) and Enterprise Edition (EE). When there are attachments in public projects nested in at least five groups, unauthenticated remote attackers use the upload function to traverse the path, resulting in reading […]