PHP7 uses insecure file permissions. When creating PHAR archives using the PharData::buildFromIterator()
function, the files are added with default permissions (0666) even if the original files on the filesystem configured with more restrictive permissions, allowing any local user to access the files.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
bugs.php.net/bug.php?id=79082
lists.debian.org/debian-lts-announce/2020/03/msg00034.html
security.gentoo.org/glsa/202003-57
usn.ubuntu.com/4330-1/
www.debian.org/security/2020/dsa-4717
www.debian.org/security/2020/dsa-4719
www.tenable.com/security/tns-2021-14