BSA-2017-236

Security Advisory ID : BSA-2017-236 Component : Low Bandwidth ICMP Attack Revision : 1.0: Interim Blacknurseis a low bandwidth ICMP attack that is capable of doing denial of service towell knownfirewalls.MostICMP attacks that we see are based on ICMP Type 8 Code 0 also called a ping flood...

Eric Allman Sendmail 8.9.1/8.9.3 - ETRN Denial of Service

source: https://www.securityfocus.com/bid/904/info There is a low-bandwidth dos vulnerability in Sendmail. When a client connects to the sendmail smtpd and sends an ETRN command to the server, the server forks and sleeps for 5 seconds. If many ETRN commands are sent to a server, it is possible to...