7.5high

CVE-2017-0376

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_proc…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 82%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.18% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Tor before 0.3.0.8

Classification

Weakness

References

  • lists.torproject.org /pipermail/tor-announce/2017-June/000131.html · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3877 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • trac.torproject.org /projects/tor/ticket/22494 · x_refsource_CONFIRM, x_transferred
  • github.com /torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.