The remote host is missing updates announced in advisory TSLSA-2004-0051.
A security vulnerability has been located in Samba 2.2.x <= 2.2.11 and Samba 3.0.x <= 3.0.5. A remote attacker may be able to gain access to files which exist outside of the share's defined path. Such files must still be readable by the account used for the connection.
This has been assigned CVE-2004-0815 by the CVE.
Solution: Update your system with the packages as indicated in the referenced security advisory.