Channel and Path Errors Affecting tor package, versions <0.3.1.9-1
Threat Intelligence
EPSS
0.17% (54th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-TOR-370821
- published 3 Dec 2017
- disclosed 3 Dec 2017
Introduced: 3 Dec 2017
CVE-2017-8822 Open this link in a new tabHow to fix?
Upgrade Debian:10 tor to version 0.3.1.9-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tor package and not the tor package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-8822
- https://www.debian.org/security/2017/dsa-4054
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516
- https://bugs.torproject.org/21534
- https://bugs.torproject.org/24333
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-8822