Summary
USN-4976-1 fixed a vulnerability in Dnsmasq. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Dnsmasq has been updated to 2.79-1 for Ubuntu 16.04 ESM in order to fix
some security issues.
Original advisory details:
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | dnsmasq | 2.79-1ubuntu0.16.04.1+esm1 |
Vulnerabilities 1
-
Medium 4.0
A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network inter…
References
-
report
https://ubuntu.com/security/CVE-2021-3448