Public bug reported:
Binary package hint: cupsys
Hi,
I found that backend drivers like cups-pdf do not work under ubuntu with
cupsys, since the cups daemon runs as user cupsys (in contrast to root
under debian). It therefore calls drivers like /usr/lib/cupsys/backend
/cups-pdf as cupsys, not as root.
cups-pdf needs root permissions in order to write into user's home
directories.
Setting cups-pdf to setuid root make it work again, but could open
security holes, so access should be limited to group cupsys.
regards
Hadmut
** Affects: cupsys (Ubuntu)
Importance: Untriaged
Status: Unconfirmed
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Incompatible with backend drivers needing to be root
https://launchpad.net/bugs/56594
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