CVE-2018-1000135

An information exposure vulnerability has been found in NetworkManager when dnsmasq is used in DNS processing mode. An attacker in control of a DNS server could receive DNS queries even though a Virtual Private Network (VPN) was configured on the vulnerable machine.

This issue did not affect the versions of NetworkManager as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include support for dnsmasq DNS resolver.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

We suggest to keep the default dns=default in the NetworkManager configuration file to prevent DNS queries leaks to possibly hostile DNS servers.