Description
The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the relay_send_end_cell_from_edge_ function via a malformed BEGIN cell.
References (4)
Core 4
Core References
Issue Tracking x_refsource_confirm
https://trac.torproject.org/projects/tor/ticket/22493
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/99017
Mailing List, Third Party Advisory x_refsource_confirm
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://github.com/torproject/tor/commit/79b59a2dfcb68897ee89d98587d09e55f07e68d7
Scores
CVSS v3
7.5
EPSS
0.0140
EPSS Percentile
80.5%
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 (2)
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