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Cisco Fixes DoS, Authentication Bypass Vulnerabilities, OSPF Bug

Cisco fixed two high severity vulnerabilities in two products this week that could have let an attacker trigger a denial of service condition or bypass local authentication. Cisco fixed 15 vulnerabili... read more

NTP Daemon Gets Fixes for Vulnerabilities Causing DoS and Authentication Bypass

US-CERT has issued an alert regarding the most recent wave of vulnerabilities discovered ... a few of these bugs can allow attackers to launch Denial of Service (DoS) attacks or even bypass authentica... read more

Corporate AIM: Come for the Whiteboard, Stay for ID Management

Cisco CatOS is susceptible to a TCP-ACK Denial of Service (DoS ... critical" vulnerabilities in Internet Explorer. From the report: "According to research firm Secunia, the holes can be exploited to o... read more

How can enterprises fix the NTP daemon vulnerability to DoS attacks?

This means that an attacker could be able to craft a UDP packet towards the service, resulting in an exception bypass that can cause the process to crash. This denial-of-service (DoS ... but there are ... read more

Cisco Fixes DoS, Remote Code Execution Bugs in Six Products

Cisco patched vulnerabilities in six products, fixing issues that could have led to denial of service (DoS) attack or allowed an attacker ... and a support information download authentication bypass v... read more

Quick and Easy Linux Hacking and How to Avoid It

The techniques discussed include X Window vulnerabilities, physical security, physical actions, terminal device attacks and disk sniffing. This chapter is from the book Unlike Chapter 2, "Quick Fixes ... read more

Yi Technology Home Cameras Exploitable Using Multiple Vulnerabilities

Multiple vulnerabilities were found in Yi Home Camera's firmware allowing potential attackers to execute code remotely via command injection, to bypass authentication, or to completely disable the dev... read more

Krebs on Security

But they recently discovered how deftly today’s e-thieves can bypass such defenses. The attack began sometime before May 9, when thieves stole the online banking credentials for Tennessee Electric, pr... read more

Cisco Working to Block Viruses at the Router

macmouse writes "The San Francisco Chronicle has an article about Cisco and Anti-Virus companies working together to block viruses at the ISP (Router) level. It sounds like they will be using traffic ... read more

Serious macOS flaw in High Sierra allows attackers to log in as root

A security issue in Apple's macOS High Sierra could allow an attacker to bypass any authentication dialog and even sign ... "Public disclosure like this, especially with a major vulnerability, ensures ... read more

Router Expert: Understanding TCP/IP to prevent network attacks, part 2

It is a vulnerability that is exploited ... Smurf amplifiers also make it possible to launch smurf DoS attacks. Most operating systems and routers provide the ability to disable directed broadcast for... read more