CVE-2022-33989 Other in n/a
An attacker can poison DNS caches by injecting traffic due to insufficient entropy in UDP source ports, affecting DNS proxy users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-33989?
CVE-2022-33989 is a medium-severity vulnerability in n/a, published on 15 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.
Weakness: CWE-331
Which versions are affected by CVE-2022-33989?
It affects 1 product.
Products include Dproxy-Nexgen Project Dproxy-Nexgen.
How do I fix CVE-2022-33989?
No fix has been published for CVE-2022-33989 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-33989 being exploited?
There is no known exploitation of CVE-2022-33989 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jrgj-6p6v-gf22.