lib/xymond_ipc.c in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 use weak permissions (666) for an unspecified IPC message queue, which allows local users to inject arbitrary messages by writing to that queue.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "4.3.25-1", "binary_name": "xymon" }, { "binary_version": "4.3.25-1", "binary_name": "xymon-client" }, { "binary_version": "4.3.25-1", "binary_name": "xymon-client-dbgsym" }, { "binary_version": "4.3.25-1", "binary_name": "xymon-dbgsym" } ] }