CVE-2017-8822

Description

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays (that have incompletely downloaded descriptors) can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012.

Category

3.7
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory debian.org Vendor Advisory torproject.org Vendor Advisory torproject.org Vendor Advisory torproject.org
Affected: n/a Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9
Published at:
Updated at:

References

Link Tags
https://bugs.torproject.org/21534 vendor advisory issue tracking
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 vendor advisory
https://bugs.torproject.org/24333 vendor advisory
https://www.debian.org/security/2017/dsa-4054 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-8822?
CVE-2017-8822 has been scored as a low severity vulnerability.
How to fix CVE-2017-8822?
To fix CVE-2017-8822, 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-2017-8822 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-8822 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-8822?
CVE-2017-8822 affects n/a Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.