Description
A flaw was found in dnsmasq. When DHCP leasequery is enabled without listing allowed source addresses, the server does not check who sent the query. A host on the local network can request DHCP lease records and learn assigned addresses, MAC addresses, hostnames, and related lease metadata. The feature is off unless an administrator turns it on.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat Ceph Storage 9
Default version status: affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
Red Hat Red Hat Enterprise Linux 6
Default version status: affected
Red Hat Red Hat Enterprise Linux 7
Default version status: affected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 5
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 5
Default version status: affected
Red Hat Red Hat OpenStack Platform 13 (Queens)
Default version status: affected
Red Hat Red Hat OpenStack Platform 18.0
Default version status: affected