The faxrunq and faxrunqd in the mgetty package allows local users to create or modify arbitrary files via a symlink attack which creates a symlink in from /var/spool/fax/outgoing/.last_run to the target file.
| Software | From | Fixed in |
|---|---|---|
| gert_doering / mgetty | 1.1.19 | 1.1.19.x |
| gert_doering / mgetty | 1.1.21 | 1.1.21.x |
| gert_doering / mgetty | 1.1.20 | 1.1.20.x |