CVE-2022-24422

Dell iDRAC9 versions 5.00.00.00 and later but prior to 5.10.10.00, contain an improper authentication vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability to gain access to the VNC Console...

QEMU: I/O: potential memory exhaustion via websock connection to VNC

A memory leakage issue was found in the I/O channels websockets implementation of the Quick Emulator QEMU. It could occur while sending screen updates to a client, which is slow to read and process them further. A privileged guest user could use this flaw to cause a denial of service on the host...

qemu: vnc: insufficient resource limiting in VNC websockets decoder

It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used to process the header and the payload. An attacker able to access a guest's VNC console could use this flaw to trigger a denial of service on the host by exhausting all available memory...

openstack-nova: Nova VMware driver may connect VNC to another tenant's console

A race condition flaw was found in the way the nova VMware driver handled VNC port allocation. An authenticated user could use this flaw to gain unauthorized console access to instances belonging to other tenants by repeatedly spawning new instances. Note that only nova setups using the VMware...