Citrix Gateway citrix software Cyber Attack exploit code proof of concept remote code execution Security server security

PoC Exploits Released for Citrix ADC and Gateway RCE Vulnerability

It’s now or never to prevent your enterprise servers running vulnerable versions of Citrix application delivery, load balancing, and Gateway solutions from getting hacked by remote attackers. Why the urgency? Earlier today, multiple groups publicly released weaponized proof-of-concept exploit code [1, 2] for a recently disclosed remote code execution vulnerability in Citrix’s NetScaler ADC and […]

Cyber Security hacking news remote code execution Security server security virtual network computing VNC protocol vnc viewer Vulnerability

Dozens of Severe Flaws Found in 4 Popular Open Source VNC Software

Four popular open-source VNC remote desktop applications have been found vulnerable to a total of 37 security vulnerabilities, many of which went unnoticed for the last 20 years and most severe could allow remote attackers to compromise a targeted system. VNC (virtual network computing) is an open source graphical desktop sharing protocol based on RFB […]

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Explained: How New ‘Delegated Credentials’ Boosts TLS Protocol Security

Mozilla, in partnership with Facebook, Cloudflare, and other IETF community members, has announced technical specifications for a new cryptographic protocol called “Delegated Credentials for TLS.” Delegated Credentials for TLS is a new simplified way to implement “short-lived” certificates without sacrificing the reliability of secure connections. In short, the new TLS protocol extension aims to effectively […]

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New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites

A team of German cybersecurity researchers has discovered a new cache poisoning attack against web caching systems that could be used by an attacker to force a targeted website into delivering error pages to most of its visitors instead of legitimate content or resources. The issue affects reverse proxy cache systems like Varnish and some […]