Skip to content
Fencer Vulns
high 7.5

CVE-2018-1000135 json

GNOME NetworkManager version 1.10.2 and earlier contains a Information Exposure (CWE-200) vulnerability in DNS resolver that can result in…

published 2018-03-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1854

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

GNOME NetworkManager version 1.10.2 and earlier contains a Information Exposure (CWE-200) vulnerability in DNS resolver that can result in Private DNS queries leaked to local network's DNS servers, while on VPN. This vulnerability appears to have been fixed in Some Ubuntu 16.04 packages were fixed, but later updates removed the fix. cf. https://bugs.launchpad.net/ubuntu/+bug/1754671 an upstream fix does not appear to be available at this time.

Patch / fix

  • network-manager Debian 14, Debian 13, Debian 12 1.12.0-2

debian advisories DEBIAN-CVE-2018-1000135

  • network-manager Ubuntu 18.04 LTS 1.10.6-2ubuntu1.2

ubuntu advisories UBUNTU-CVE-2018-1000135

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • NetworkManager RHEL 7 1:1.12.0-6.el7
  • NetworkManager-ovs RHEL 7 1:1.12.0-6.el7
  • NetworkManager-ppp RHEL 7 1:1.12.0-6.el7
  • NetworkManager-tui RHEL 7 1:1.12.0-6.el7
  • NetworkManager-adsl RHEL 7 1:1.12.0-6.el7
  • NetworkManager-glib RHEL 7 1:1.12.0-6.el7
  • NetworkManager-team RHEL 7 1:1.12.0-6.el7
  • NetworkManager-wifi RHEL 7 1:1.12.0-6.el7

red hat advisories RHBA-2018:3207

  • NetworkManager SLE Workstation Extension 15, SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 1.10.6-5.6.1

suse advisories SUSE-SU-2019:1369-1

  • NetworkManager openSUSE Tumbleweed 1.32.10-2.1
  • NetworkManager openSUSE Leap 15.0 1.10.6-lp150.4.6.1

opensuse advisories openSUSE-SU-2024:10602-1openSUSE-SU-2019:1494-1

  • networkmanager Arch Linux 1.10.3dev+38+g78ef57197-1

arch linux advisories AVG-662

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1000135 updated cvss 4.8

NetworkManager: Information exposure in DNS resolver

  • Red Hat Enterprise Linux Client (v. 7) NetworkManager 1.12.0-6.el7, NetworkManager-ppp 1.12.0-6.el7, NetworkManager-tui 1.12.0-6.el7, NetworkManager-adsl 1.12.0-6.el7, NetworkManager-glib 1.12.0-6.el7, NetworkManager-team 1.12.0-6.el7, +4 more Red Hat Enterprise Linux Client Optional (v. 7) NetworkManager-ovs 1.12.0-6.el7, NetworkManager-config-server 1.12.0-6.el7, NetworkManager-dispatcher-routing-rules 1.12.0-6.el7 Red Hat Enterprise Linux ComputeNode (v. 7) NetworkManager 1.12.0-6.el7, NetworkManager-ppp 1.12.0-6.el7, NetworkManager-tui 1.12.0-6.el7, NetworkManager-adsl 1.12.0-6.el7, NetworkManager-glib 1.12.0-6.el7, NetworkManager-team 1.12.0-6.el7, +4 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) NetworkManager-ovs 1.12.0-6.el7, NetworkManager-config-server 1.12.0-6.el7, NetworkManager-dispatcher-routing-rules 1.12.0-6.el7 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) NetworkManager 1.12.0-6.el7, NetworkManager-ppp 1.12.0-6.el7, NetworkManager-tui 1.12.0-6.el7, NetworkManager-adsl 1.12.0-6.el7, NetworkManager-glib 1.12.0-6.el7, NetworkManager-team 1.12.0-6.el7, +5 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) NetworkManager-ovs 1.12.0-6.el7, NetworkManager-dispatcher-routing-rules 1.12.0-6.el7
    +4 more products
    Red Hat Enterprise Linux Server (v. 7) NetworkManager 1.12.0-6.el7, NetworkManager-ppp 1.12.0-6.el7, NetworkManager-tui 1.12.0-6.el7, NetworkManager-adsl 1.12.0-6.el7, NetworkManager-glib 1.12.0-6.el7, NetworkManager-team 1.12.0-6.el7, +5 more Red Hat Enterprise Linux Server Optional (v. 7) NetworkManager-ovs 1.12.0-6.el7, NetworkManager-dispatcher-routing-rules 1.12.0-6.el7 Red Hat Enterprise Linux Workstation (v. 7) NetworkManager 1.12.0-6.el7, NetworkManager-ppp 1.12.0-6.el7, NetworkManager-tui 1.12.0-6.el7, NetworkManager-adsl 1.12.0-6.el7, NetworkManager-glib 1.12.0-6.el7, NetworkManager-team 1.12.0-6.el7, +4 more Red Hat Enterprise Linux Workstation Optional (v. 7) NetworkManager-ovs 1.12.0-6.el7, NetworkManager-config-server 1.12.0-6.el7, NetworkManager-dispatcher-routing-rules 1.12.0-6.el7
    fixed: vendor fix “We suggest to keep the default `dns=default` in the NetworkManager configuration file to prevent DNS queries leaks to possibly hostile DNS servers.” RHBA-2018:3207
  • Red Hat Enterprise Linux 5 NetworkManager Red Hat Enterprise Linux 6 NetworkManager, NetworkManager-glib, NetworkManager-gnome Red Hat Enterprise Linux 8 NetworkManager, NetworkManager-ovs, NetworkManager-ppp, NetworkManager-tui, NetworkManager-adsl, NetworkManager-team, +9 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.