OS-LINUX -- Snort has detected traffic targeting vulnerabilities in a Linux-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself. (such as?)
OS-LINUX Red Hat NetworkManager DHCP client command injection attempt
This event is generated when an attempt to exploit a known command injection vulnerability in /etc/NetworkManager/dispatcher.d/11-dhclient is detected.
Attempted User Privilege Gain
Ease of Attack:
What To Look For
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
For reference, see the MITRE ATT&CK vulnerability types here:
CVE Additional Information
CVE-2018-1111DHCP 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.
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