Cisco warns of 16 flaws in its latest security bulletin, mostly impacting its Cisco AsyncOS software used in its Email Security Appliances.
Tag Archives: Denial of Service Attack
Hack Crashes Linux Distros with 48 Characters of Code
A Linux admin and open source developer has come up with a 48-character attack that crashes Linux servers, but experts argue the security implications of the bug.
Badlock Vulnerability Falls Flat Against Its Hype
The much anticipated Badlock vulnerability wasn’t in the SMB protocol after all, but in SAM and LSAD and exposed Windows machines to privilege escalation.
ProtonMail Back Online Following Six-Day DDoS Attack
Encrypted email service ProtonMail is back online Monday following a crippling six-day DDoS attack.
Active DoS Exploits for MS15-034 Under Way
Public denial-of-service exploits for a critical vulnerability in Microsoft’s implementation of the HTTP protocol stack, HTTP.sys are under way, while remote code execution attacks may still be to come.
Some Recursive DNS Implementations Patch DoS Vulnerability
Some domain name server (DNS) implementations are at risk for denial-of-service attacks after a vulnerability was disclosed and patched in a few popular server packages, including BIND, PowerDNS and NLnetLabs.