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Oracle MySQL < 5.0.51 RENAME TABLE Symlink System Table Overwrite



The remote database server is susceptible to a local symlink attack.


The version of MySQL installed on the remote host reportedly fails to check whether a file to which a symlink points exists when using RENAME TABLE against a table with explicit DATA DIRECTORY and INDEX DIRECTORY options. A local attacker may be able to leverage this issue to overwrite system table information by replacing the file to which the symlink points.


Upgrade to version 5.0.51 or higher.