Inadequate Guard Selection Algorithm in Tor 0.3.x before 0.3.0.9

CVE-2017-0377 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended anonymity properties by leveraging the existence of large families.

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