Berkeley DB Reference Guide: Upgrading Berkeley DB Applications |

Release 4.7: Tcl API

The Berkeley DB Tcl API does not attempt to avoid evaluating input as Tcl commands. For this reason, it may be dangerous to pass unreviewed user input through the Berkeley DB Tcl API, as the input may subsequently be evaluated as a Tcl command. To minimize the effectiveness of a Tcl injection attack, the Berkeley DB Tcl API in the 4.7 release routine resets process' effective user and group IDs to the real user and group IDs.

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