nidump on MacOS X prior to 10.3 allows local users to read the encrypted passwords from the password file by specifying passwd as a command line argument.
source: wwwsecurityfocuscom/bid/2953/info
A vulnerability exists in all versions of Apple MacOS X
It has been found to contain a vulnerability which could allow disclosure of passwords and other sensitive system information
nidump is a Mac OS X system data extraction utility which can be used to read the contents of the NetInfo databa ...