Vulnerabilities > CVE-2020-8516 - Unspecified vulnerability in Torproject TOR
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
LOW Integrity impact
NONE Availability impact
NONE Summary
The daemon in Tor through 0.4.1.8 and 0.4.2.x through 0.4.2.6 does not verify that a rendezvous node is known before attempting to connect to it, which might make it easier for remote attackers to discover circuit information. NOTE: The network team of Tor claims this is an intended behavior and not a vulnerability
Vulnerable Configurations
References
- https://www.hackerfactor.com/blog/index.php?/archives/868-Deanonymizing-Tor-Circuits.html
- https://lists.torproject.org/pipermail/tor-dev/2020-February/014147.html
- https://security-tracker.debian.org/tracker/CVE-2020-8516
- https://lists.torproject.org/pipermail/tor-dev/2020-February/014146.html
- https://trac.torproject.org/projects/tor/ticket/33129