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Wipe all of the target space in tor_addr_{to,from}_sockaddr()

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Otherwise we risk a subsequent memdup or memcpy copying
uninitialized RAM into some other place that might eventually expose
it.  Let's make sure that doesn't happen.

Closes ticket 14041
This commit is contained in:
Nick Mathewson
2014-12-29 10:06:12 -05:00
parent e85f0c650c
commit d7ecdd645a
2 changed files with 10 additions and 2 deletions
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changes/bug14041
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o Minor features (security):
- Clear all memory targetted by tor_addr_{to,from}_sockaddr(),
not just the part that's used. This makes it harder for data leak
bugs to occur in the event of other programming failures.
Resolves ticket 14041.