USN-4976-1: Dnsmasq vulnerability
02 June 2021
Dnsmasq could be exposed to cache poisoning.
- dnsmasq - Small caching DNS proxy and DHCP/TFTP server
Petr Mensik discovered that Dnsmasq incorrectly randomized source ports in
certain configurations. A remote attacker could possibly use this issue to
facilitate DNS cache poisoning attacks.
The problem can be corrected by updating your system to the following package versions:
After a standard system update you need to reboot your computer to make
all the necessary changes.