Secunia reports:
A vulnerability has been reported in Netatalk, which potentially can be exploited by malicious users to compromise a vulnerable system.
The vulnerability is caused due to the papd daemon improperly sanitising several received parameters before passing them in a call to popen(). This can be exploited to execute arbitrary commands via a specially crafted printing request.
Successful exploitation requires that a printer is configured to pass arbitrary values as parameters to a piped command.
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