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CVE-2018-1111

HIGHCVSS 7.5/10EPSS 94.46%

Last modified

CVE-2018-1111 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 94.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.0
7.5/10

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
94.46%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FedoraprojectFedora26
FedoraprojectFedora27
FedoraprojectFedora28
RedhatEnterprise Virtualization4.0
RedhatEnterprise Virtualization4.2
RedhatEnterprise Virtualization Host4.0
RedhatEnterprise Linux6.0
RedhatEnterprise Linux6.4
RedhatEnterprise Linux6.5
RedhatEnterprise Linux6.6
RedhatEnterprise Linux6.7
RedhatEnterprise Linux7.0
RedhatEnterprise Linux7.2
RedhatEnterprise Linux7.3
RedhatEnterprise Linux7.4
RedhatEnterprise Linux7.5
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation6.0
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1111?
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.
How severe is CVE-2018-1111?
CVE-2018-1111 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 94.46% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1111?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST