Debian 10: DLA-3706-1 Critical: Netatalk Symlink Exposure

By using the features of another file sharing protocol, like SMB, an
attacker could abuse this primitive to create an arbitrary symbolic link
and move it outside the share. The attacker could then reuse the created
symlink to write arbitrary files on the targeted system. On the targeted
device where it was demonstrated, writing arbitrary files on the system
resulted in a remote code execution.

For Debian 10 buster, this problem has been fixed in version
3.1.12~ds-3+deb10u5.

We recommend that you upgrade your netatalk packages.

For the detailed security status of netatalk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/netatalk

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS