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Does CVE-1999-1225 affect ONTAP?

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ontap-9
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nas
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Applies to

  • ONTAP 9
  • QID-68519
  • CVE-1999-1225

Answer

 

As per RFC 1813 , ONTAP 9 does respond with the required mountstat3 code. 

  • For a non-existing directory:

# mount nfs1:/test /t
mount.nfs: mounting nfs1:/test failed, reason given by server: No such file or directory

  • For a directory that does exist, but which the user does not have access to:

# mount nfs1:/test2 /t
mount.nfs: access denied by server while mounting nfs1:/test2

Note: As configured above (/ is exported to all hosts with read-only (ro) status), it is possible to determine whether a given exported directory exists or not. 

  • When ro access to / is revoked the response is as follows:

# mount nfs1:/test /t
mount.nfs: access denied by server while mounting nfs1:/test

Note: In this configuration ONTAP no longer confirms the existence of the mount point to an unauthorized user. This would have to be set for new and existing mounts.

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