CVE-2021-3978 Improper Preservation of Permissions in github.com/cloudflare/cfrpki/cmd/octorpki

When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the provided service definition defaults to root https://github.com/cloudflare/cfrpki/blob/master/package/octorpki.service this could allow for a vector, when...