CVE-2021-43105 Other in n/a
Attackers can inject malicious NS records into the cache, enabling DNS cache poisoning attacks against Technitium DNS Server users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43105?
CVE-2021-43105 is a medium-severity vulnerability in n/a, published on 28 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack.
Which versions are affected by CVE-2021-43105?
It affects 1 product.
Products include Technitium Dns Server.
How do I fix CVE-2021-43105?
No fix has been published for CVE-2021-43105 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43105 being exploited?
There is no known exploitation of CVE-2021-43105 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fh5j-qj82-2m8v.