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4ccf09b1c2
Otherwise, it's possible to create streams or circuits with these bogus IDs, leading to orphaned circuits or streams, or to ones that can cause bandwidth DOS problems. Fixes bug 7889; bugfix on all released Tors.
9 lines
422 B
Plaintext
9 lines
422 B
Plaintext
o Major bugfixes:
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- Reject bogus create and relay cells with 0 circuit ID or 0 stream
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ID: these could be used to create unexpected streams and circuits
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which would count as "present" to some parts of Tor but "absent"
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to others, leading to zombie circuits and streams or to a
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bandwidth DOS. Fixes bug 7889; bugfix on every released version of
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Tor. Reported by "oftc_must_be_destroyed".
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