CVE-2020-8516: 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…

PriorityP427medium5.3CVSS 3.1

AVNACLPRNUINSUCLINAN

EPSS

2.50%

82.9th percentile

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

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	tor	—	—
torproject	tor	<= 0.4.1.8	—
torproject	tor	0.4.2.0 – 0.4.2.6	—

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

osv5.3MEDIUM

vendor_debian5.3LOW

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