Python rtslib-fb through 2.1.72 has weak permissions for /etc/target/saveconfig.json
because shutil.copyfile (instead of shutil.copy) is used, and thus permissions are not preserved.
lists.opensuse.org/opensuse-security-announce/2020-08/msg00012.html
github.com/open-iscsi/rtslib-fb
github.com/open-iscsi/rtslib-fb/commit/b23d061ee0fa7924d2cdce6194c313b9ee06c468
github.com/open-iscsi/rtslib-fb/pull/162
lists.fedoraproject.org/archives/list/[email protected]/message/TNMCV2DJJTX345YYBXAMJBXNNVUZQ5UH
nvd.nist.gov/vuln/detail/CVE-2020-14019