Understanding CVE-2025-53939 and Its Implications Server administrators and hosting providers need to stay vigilant against vulnerabilities like CVE-2025-53939. This critical vulnerability affects Kiteworks, which is a private data network (PDN). Prior to version 9.1.0, improper input validation could allow unauthorized users to gain elevated permissions. This can lead to severe data breaches or unauthorized changes […]

Understanding CVE-2025-58436: A Potential DoS Threat In the dynamic field of server security, keeping abreast of vulnerabilities is crucial. Recently, the OpenPrinting CUPS was identified with a vulnerability tagged CVE-2025-58436. This vulnerability poses a risk that could lead to a denial-of-service (DoS) condition. System administrators and hosting providers must pay attention to this threat as […]

Understanding CVE-2025-53939 and Its Implications Server administrators and hosting providers need to stay vigilant against vulnerabilities like CVE-2025-53939. This critical vulnerability affects Kiteworks, which is a private data network (PDN). Prior to version 9.1.0, improper input validation could allow unauthorized users to gain elevated permissions. This can lead to severe data breaches or unauthorized changes […]

Understanding CVE-2025-58436: A Potential DoS Threat In the dynamic field of server security, keeping abreast of vulnerabilities is crucial. Recently, the OpenPrinting CUPS was identified with a vulnerability tagged CVE-2025-58436. This vulnerability poses a risk that could lead to a denial-of-service (DoS) condition. System administrators and hosting providers must pay attention to this threat as […]

BitNinja team is going to HostingCon Global in July. This is your opportunity to meet us as your potential business partner, in a fun and educational atmosphere. What is HostingCon? HostingCon is the premier industry conference and trade show for hosting and cloud providers. Join over 2000 of your hosting and cloud industry peers to discover […]

We are happy to announce BitNinja 1.0.0  The version counter turned from 0.31 to our first full release, because BitNinja 1.0.0 is now running stable on more than 100 production servers worldwide! That’s a great success for us and a big loss for the hackers. 😉  So what’s new in 1.0.0?  What is new in addition […]

There were 22.000 attendees, from more than 100 countries, with the biggest names in the tech world, more than 500 speakers, lack of wi-fi, 145.000 tweets in 72 hours, many business cards, a high interest in our server defense system and wonderful Irish hospitality. Here’s the wrap up of Web Summit 2014. Web Summit is […]

Hi there, Imagine where we will be free to meet soon: BitNinja’s going to the WebSummit, in Dublin! A few months ago we applied to the Alpha program of this event, dedicated to startups. After 2 weeks we got an email from the organizer that said: “There are so many applications for the program that we won’t […]

Did you hear about the Shellshock bug on bash Unix shell? There hasn’t been such a scandalous bug since Heartbleed that has caused such a big mess among server owners.A series of attacks on websites and servers using the serious Shellshock bug was spotted a few days ago. Millions of servers use software that is vulnerable […]

Introduction CVE-2025-61915 highlights a serious vulnerability in OpenPrinting CUPS, a widely-used printing system for Linux and other Unix-like operating systems. This vulnerability can be exploited by malicious users to change configurations and execute harmful commands. Summary of the Vulnerability Before version 2.4.15, users in the lpadmin group could access the CUPS web interface and modify […]

Protecting Your Servers from the Latest Vulnerabilities In today's cybersecurity landscape, staying informed about vulnerabilities is crucial for system administrators and hosting providers. A recent vulnerability identified as CVE-2025-66216 has posed significant risks, particularly affecting AIS-catcher, a widely used multi-platform AIS receiver. Overview of CVE-2025-66216 This vulnerability is classified as a heap buffer overflow in […]

Introduction to CVE-2025-66217 The recent discovery of CVE-2025-66217 has raised significant alarm among system administrators, hosting providers, and web server operators. This critical vulnerability affects AIS-catcher, a multi-platform AIS receiver, allowing an attacker to exploit an integer underflow issue in MQTT packet parsing. The result is a potential heap buffer overflow, leading to severe consequences […]