Can you mount the image in loop back mode and get the files out?
assuming it is iso9660:

mkdir /tmp/iso
mount -o loop -t iso9660 /tmp/cdimage.iso /mnt/iso


Another alternative is to use unstoppable copier assuming you can read the
directory structure/etc from http://www.roadkil.net/unstopcp.html
<http://www.roadkil.net/unstopcp.html>Good luck!
JD
On Thu, Dec 9, 2010 at 07:43, Shawn Badger <shawn@badger.pro> wrote:

> So I ran into this problem the yesterday and Google has yet to reveal
> the secret of how to fix it.
>
> I have a disc that someone else burned that is has some errors on it.
> The source is gone so I cannot just simply reburn the disc :(
>
> I was able to use ddrescue to get an ISO image of the disc created,
> but when I went to burn that it just replicated the error to the new
> disc.
>
> Does any one know how to do an fsck  (or similar) on an ISO image?
>
> I tried just doing a fsck -y disk.iso , but it just comes back like I
> used a bad option and I can repair it while it is mounted.
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