si_mkbootserver in systemimager-server 3.6.3 allows local users to overwrite arbitrary files via a symlink attack on a (1) /tmp/*.inetd.conf or (2) /tmp/pxe.conf.*.tmp temporary file.
Improper Link Resolution Before File Access The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.