CVE-2022-33903 Denial of service in n/a
Attackers can cause a denial of service in Tor by wedging RTT estimation, affecting network availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-33903?
CVE-2022-33903 is a high-severity denial of service vulnerability in n/a, published on 17 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tor 0.4.7.x before 0.4.7.8 allows a denial of service via the wedging of RTT estimation.
Which versions are affected by CVE-2022-33903?
It affects 1 product.
Linux distribution packages (5)
tor SUSE:Package Hub 15 SP3 | All versions | 0.4.7.8-bp154.2.3.1 |
tor SUSE:Package Hub 15 SP4 | All versions | 0.4.7.8-bp154.2.3.1 |
tor openSUSE:Leap 15.3 | All versions | 0.4.7.8-bp154.2.3.1 |
tor openSUSE:Leap 15.4 | All versions | 0.4.7.8-bp154.2.3.1 |
tor openSUSE:Tumbleweed | All versions | 0.4.7.8-1.1 |
Products include Torproject Tor.
How do I fix CVE-2022-33903?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-33903 being exploited?
There is no known exploitation of CVE-2022-33903 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2022-33903, GHSA-g7xf-5c64-42cx, openSUSE-SU-2022:10023-1, openSUSE-SU-2024:12149-1.