In-Reply-To: <20050222091943.GM76018@xxxxxxxxx> >On Sun, Feb 20, 2005 at 02:41:36PM -0600, H D Moore wrote: >> Anyone able to connect to TCP port 617 can gain read/write access to the >> filesystem of any host running the Arkeia agent software. This appears to >> be an intentional design decision on the part of the Arkeia developers. A >> long-winded description of this issue, complete with screen shots, >> demonstration code, and packet captures can found online at: >> >> - http://metasploit.com/research/arkeia_agent/ > >Note that, on the arkeia user list, somebody pointed out that clients >can be configured to disallow this from anybody but the server. But that's >not the default configuration, the default is "plug and play", that is, you >throw the software on the client and it works. > >The relevant section is Appendix B of the user manual. It tells you how >to setup your client with the equivalent of tcp_wrapper security. > >Even then, you still have a small vulnerability, in that anyone who >has access to the server system can still impersonate the arkeia software >to access the client. But you can't do that from any random machine. > >From Appendix B of Arkeia User Manual: There is a way to tighten client access by requiring a connection on a reserved port and using root account. The format of the auth_PROCESS.cfg file to limit access is: <PROCESS_NAME>.* ALLOW <backup server FQDN>[1] root For example: ARKADMIN.* ALLOW mercury.arkeia.com[1] root -- Arnaud Spicht CTO - Arkeia Corp.