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Amanda 3.5.1 (current in all live Fedora releases) is does not allow the specification of arbitrary paths for the --star-path option to amstar: security file '/etc/amanda-security.conf' do not allow to run '/tmp/foo' as root for 'amstar:star_path' Allowed paths must be explicitly configured in /etc/amanda-security.conf (which is only writable by root), and by default no paths besides /usr/bin/star are included. amstar itself is only executable by group disk: ἐπιθυμία:~❯ ls -l /usr/lib64/amanda/application/amstar -rwsr-x---. 1 root disk 45848 Aug 20 07:36 /usr/lib64/amanda/application/amstar*
Also note the following: Release Notes for amanda-3.3.9 * security-fix - All previous release of amanda allow the 'amanda' user to execute any code as root, and to execute an interactive shell as root. - This is a security vulnerability if you do not trust the 'amanda' user. - There is no need to upgrade if you trust the 'amanda' user and the account is secure. - good password - secure xinetd.conf setting - securae .amandahosts setting - The 'amanda' user can read all files in the machine, it is what a backup program do. - The set of fix disable the abilities to run unwanted code as root or to write file anywhere in the filesystem.