OS Affected NT/2000/Netware 5 Programs Affected Groupwise 5.5 Enhancement Pack Groupwise 6.0 Discussion A default username and password exists that controls the servlet manager. The servlet manager allows the configuration of the servlets to be loaded, reloaded or unloaded. This is more of an annoyance than a exploit. The ability to control and unload servlets allows an attacker to deny web based services to users. This will prevent users from accessing mail or other servlet based resources. Exploit http://server/servlet/ServletManager username servlet password manager Solution Change the password: Edit the SYS:\JAVA\SERVLETS\SERVLET.PROPERTIES file. There is a section for ServletManager like the following: # ServletManager servlet servlet.ServletManager.code=com.novell.application.ServletGateway.ServletManager servlet.ServletManager.initArgs=datamethod=POST,user=servlet,password=manager,bgcolor #c0c0c0 servlet.ServletManager.preload=true Novell Support http://support.novell.com/ Adam Gray CTO Novacoast, Inc. agrayat_private 800-949-9933x4145
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