#25609: Investigate Tor client retry behavior on failing onions -------------------------+------------------------------------------------- Reporter: asn | Owner: (none) Type: defect | Status: new Priority: Medium | Milestone: Tor: 0.3.4.x-final Component: Core | Version: Tor/Tor | Keywords: guard-discovery, Severity: Normal | TorBrowserTeam201803 Actual Points: | Parent ID: #20212 Points: 2 | Reviewer: Sponsor: | -------------------------+------------------------------------------------- An attacker can cause a Tor client to create many circuits by continuously serving a broken/failing onion over and over again.
We should investigate how many circuits a Tor client is willing to setup for an onion with a non-existent descriptor, or an onion that is unwilling to rendezvous, and see if this is a security issue. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25609> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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