Description
The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory x_refsource_confirm
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3877
Issue Tracking, Third Party Advisory x_refsource_confirm
https://trac.torproject.org/projects/tor/ticket/22494
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd
Scores
CVSS v3
7.5
EPSS
0.0082
EPSS Percentile
74.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-617
Status
published
Products (4)
debian/debian_linux
8.0
debian/debian_linux
9.0
n/a/Tor before 0.3.0.8
Tor before 0.3.0.8
torproject/tor
< 0.3.0.8
Published
Jun 09, 2017
Tracked Since
Feb 18, 2026