Use bchunk e mdf2iso que estão nos repositórios oficiais:
bchunk file.bin file.cue file.iso
e
mdf2iso file.mdf file.iso
Veja o que você já tem em seus repositórios com o apt-cache search 2iso
:
b5i2iso - BlindWrite image to ISO image file converter
ccd2iso - Converter from CloneCD disc image format to standard ISO
cdi2iso - DiscJuggler image to ISO image file converter
daa2iso - The DAA files (Direct Access Archive) to ISO converting tool
mdf2iso - A simple utility to convert mdf to iso / cue / toc images
nrg2iso - Extracts ISO9660 data from Nero ".nrg" files
pdi2iso - Instant Copy image to ISO image file converter
uif2iso - converts UIF files (used by MagicISO) to ISO or other formats