It is all there in Nuendo:
Use Resample 48000 to 48048 or 47952 0,1% /compress/stretch.
Use Timestretch to go from 24 fps to 25fps or vice versa:
Multiple algorithms are available including stellar sounding elastique.
All stretch settings are phase accurate also for multichannel files.
A small hint: You can enter 24 and 25 in the before/after BPM fileds to get the stretching ratios right.