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nfsd(8)
Systems Affected:Linux running Universal NFS 2.0 or earlier.
Problem: Read-only export does not work, its only parsed.

Users can kill nsfd. This is because the nsfd seteuid(2) to the current request uid instead of setfsuid(2)/setfsgid(2).

The root_squash and no_root_squash flags does not work.

File handles are easly guessed.

Default exports file contains '#' at the start of file. Under some broken resolvers this means a machine named '#' can mount all your disks.

Solution:Upgrade to Universal NSF 2.1 or later.

Aleph One / aleph1@underground.org
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