pvpgn-support-installer in pvpgn 1.8.1 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/pvpgn-support-1.0.tar.gz 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.