Load Balancer | Breaking Cybersecurity News | The Hacker News

A critical security vulnerability has been disclosed in  HAProxy , a widely used open-source load balancer and proxy server, that could be abused by an adversary to possibly smuggle HTTP requests, resulting in unauthorized access to sensitive data and execution of arbitrary commands, effectively opening the door to an array of attacks. Tracked as  CVE-2021-40346 , the Integer Overflow vulnerability has a severity rating of 8.6 on the CVSS scoring system and has been rectified in HAProxy versions 2.0.25, 2.2.17, 2.3.14 and 2.4.4. HTTP Request Smuggling, as the name implies, is a web application attack that tampers the manner a website processes sequences of HTTP requests received from more than one user. Also called HTTP desynchronization, the technique takes advantage of parsing inconsistencies in how front-end servers and back-end servers process requests from the senders. Front-end servers are typically load balancers or reverse proxies that are used by websites to mana...

Cybersecurity researchers today issued a security advisory warning enterprises and governments across the globe to immediately patch a highly-critical remote code execution vulnerability affecting F5's BIG-IP networking devices running application security servers. The vulnerability, assigned CVE-2020-5902 and rated as critical with a CVSS score of 10 out of 10, could let remote attackers take complete control of the targeted systems, eventually gaining surveillance over the application data they manage. According to Mikhail Klyuchnikov, a security researcher at Positive Technologies who discovered the flaw and reported it to F5 Networks, the issue resides in a configuration utility called Traffic Management User Interface (TMUI) for BIG-IP application delivery controller (ADC). BIG-IP ADC is being used by large enterprises, data centers, and cloud computing environments, allowing them to implement application acceleration, load balancing, rate shaping, SSL offloading, an...

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Cybersecurity researchers with Qihoo 360's NetLab today unveiled details of two recently spotted zero-day cyberattack campaigns in the wild targeting enterprise-grade networking devices manufactured by Taiwan-based DrayTek. According to the report , at least two separate groups of hackers exploited two critical remote command injection vulnerabilities ( CVE-2020-8515 ) affecting DrayTek Vigor enterprise switches, load-balancers, routers and VPN gateway devices to eavesdrop on network traffic and install backdoors. The zero-day attacks started somewhere at the end of last November or at the beginning of December and are potentially still ongoing against thousands of publicly exposed DrayTek switche s, Vigor 2960, 3900, 300B devices that haven't yet been patched with the latest firmware updates released last month. The zero-day vulnerabilities in question can be exploited by any unauthorized remote attackers to inject and execute arbitrary commands on the system, as als...

One of the most important software companies NGINX , which is also behind the very popular open-source web server of the same name, is being acquired by its rival, F5 Networks , in a deal valued at about $670 million. While NGINX is not a name that you have ever heard of, the reality is that you use NGINX every day when you post a photo, watch streaming video, purchase goods online, or log into your applications at work. NGINX powers over half of the busiest websites in the world. Majority of sites on the Internet today, including The Hacker News, and hundreds of thousands apps, like Instagram, Pinterest, Netflix, and Airbnb are hosted on web servers running NGINX. NGINX web server is the third most widely used servers in the world—behind only Microsoft and Apache, and ahead of Google. In short, the internet as we know it today would not exist without NGINX. F5 Acquires NGINX to Bridge NetOps and DevOps F5 Networks is the industry leader in cloud and security application...

Firewall, VPN and spam filtering products from Barracuda Networks contains hidden hard coded backdoor ed SSH accounts, that allow any hacker to remotely log in and root access sensitive information. According to an advisory published by Stefan Viehböck of SEC Consult Vulnerability Lab reported the vulnerabilities in default firewall configuration and default user accounts on the unit. Barracuda were informed of the vulnerabilities at the end of November. All Barracuda Networks appliances with the exception of the Barracuda Backup Server, Barracuda Firewall, and Barracuda NG Firewall are potentially affected i.e Barracuda Spam and Virus Firewall, Barracuda Web Filter, Barracuda Message Archiver, Barracuda Web Application Firewall, Barracuda Link Balancer, Barracuda Load Balancer, Barracuda SSL VPN, CudaTel. Barracuda recommended that all customers immediately update their Barracuda security definitions to v2.0.5, ensure the products' security definitions ar...