“So many vulnerabilities affecting the lpd (line
printer daemon) have come to light in recent months that CERT/CC
has issued a compendium advisory urging all users and admins to
review their system configurations and patch status.‘All of these vulnerabilities can be exploited remotely. In most
cases, they allow an intruder to execute arbitrary code with the
privileges of the lpd server,’ CERT explains.”
The
Register’s quick overview (with gratuitous Gates reference) or
the
complete CERT advisory.