Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Tor
Toraffected
References
- https://trac.torproject.org/projects/tor/ticket/22753 ↗
- https://security-tracker.debian.org/CVE-2017-0377 ↗
- https://blog.torproject.org/blog/tor-0309-released-security-update-clients ↗
- https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients ↗
- https://github.com/torproject/tor/commit/665baf5ed5c6186d973c46cdea165c0548027350 ↗