CVE-2017-8822 Other 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
Tor relays with incomplete descriptors may select themselves in circuit paths, degrading user anonymity and bypassing intended privacy protections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-8822?
CVE-2017-8822 is a low-severity vulnerability in Debian Debian Linux, published on 3 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-417
Which versions are affected by CVE-2017-8822?
It affects 2 products.
Products include Debian Debian Linux, Tor Project Tor.
How do I fix CVE-2017-8822?
Upgrade to a fixed version.
Is CVE-2017-8822 being exploited?
There is no known exploitation of CVE-2017-8822 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-8822, GHSA-6j8p-f9mw-w2qg, UBUNTU-CVE-2017-8822.