CVE-2018-1111

Original summary

Normalized public record · Updated Oct 22, 2026

DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw in the NetworkManager integration script included in the DHCP client. A malicious DHCP server, or an attacker on the local network able to spoof DHCP responses, could use this flaw to execute arbitrary commands with root privileges on systems using NetworkManager and configured to obtain network configuration using the DHCP protocol.

Publisher and source text is retained separately from QFinch interpretation.

Affected products

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

1. Confirm the affected product and reachable code path exist in your environment.
2. Apply the vendor-supported patch or mitigation from the primary advisory.
3. Rescan the exact deployed revision and retain verification evidence.

Evidence coverage

SSVC priority

IMMEDIATE

Confidence

95%

Aliases

None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

1. bugzilla.redhat.com ↗
2. www.tenable.com ↗
3. FEDORA-2018-5392896132 ↗
4. access.redhat.com ↗
5. 104195 ↗
6. FEDORA-2018-23ca7a6798 ↗
7. 1040912 ↗
8. help.ecostruxureit.com ↗
9. RHSA-2018:1454 ↗
10. RHSA-2018:1455 ↗
11. RHSA-2018:1457 ↗
12. RHSA-2018:1459 ↗

Record history

Published May 17, 2018 · Last refreshed Oct 22, 2026