Package: flightgear
Version: 3.0.0-1
Severity: grave
Tags: security

Upstream has reported two related security issues in how FlightGear
restricts what files Nasal (its built-in scripting language for
aircraft) can access.

This bug is tracking the portion related to the flightgear source package:

-fgValidatePath uses a property listener to do the checking, and while
io.nas blocks direct removal of that listener, this can be bypassed by
deleting the entire property node.
Effect: Can read or write any file as the user (= arbitrary code execution).
Fix: flightgear 6a30e7086ea2f1a060dd77dab6e7e8a15b43e82d

Regards

Markus Wanner

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