COMMAND
iPlanet
SYSTEMS AFFECTED
iPlanet Web Server, Enterprise Edition 4.1
PROBLEM
Eiji Ohki found following. This was tested under iPlanet Web
Server, Enterprise Edition 4.1 on Linux 2.2.5(Redhat6.1J; Kernel
2.2.12). When you try to send the request "GET" of seven hundred
times your product consumed all memory resouce and karnel paniced.
The size of GET command to your product was about a couple of
thousands. For example, Apache is able to refuse the attack of
DoS, when the maximam number of fork() is defined propery.
SOLUTION
Could not find out any problem when same situation was given to
the Enterprise Server International Edition 3.6SP2 on Solaris 2.6J
(Sparc), the Enterprise Server 3.6SP3 on Solaris 2.6J (Sparc), the
iPlanet Web Server, Enterprise Edition 4.0SP3 on Solaris 2.6J
(Sparc) and the Apache httpd on Redhat6.1J. However, vulnerable
vesrion was pre-release version:
http://www.iplanet.com/downloads/download/detail_161_284.html