CVE-2017-0376

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.82% Top 30%
Vendor Advisory debian.org
Affected: n/a Tor before 0.3.0.8
Published at:
Updated at:

References

Link Tags
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html third party advisory mailing list
http://www.debian.org/security/2017/dsa-3877 third party advisory vendor advisory
https://trac.torproject.org/projects/tor/ticket/22494 third party advisory issue tracking
https://github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-0376?
CVE-2017-0376 has been scored as a high severity vulnerability.
How to fix CVE-2017-0376?
To fix CVE-2017-0376, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0376 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-0376 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0376?
CVE-2017-0376 affects n/a Tor before 0.3.0.8.
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