NVIDIA DGX and HGX BMC
CVE-2023-25529
NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A successful exploit of this vulnerability may lead to information disclosure, escalation of privileges, and data tampering.
Affected versions (NVD)
| Product | Versions |
|---|---|
| dgx_h100_firmware | < 23.08.18 |
What to do
NVD marks firmware before these versions as affected: dgx_h100_firmware before 23.08.18. The usual fix is to update to that version or later. Vendors patch each firmware branch separately, so confirm the fixed build for your branch in the advisory.
Vendor advisory (from the NVD record): nvidia.custhelp.com/app/answers/detail/a_id/5473 · nvidia.custhelp.com/app/answers/detail/a_id/5473.
Do you run it?
Paste your BMC's Redfish answers into the Redfish Inspector: it compares the firmware version with the NVD ranges, in your browser. Or scan every BMC with the free scan.
Source: NVD CVE-2023-25529. PWX for DGX and HGX BMC
Run it on your own fleet
PWX Discover is free: the scan reads your fleet and lists what to fix, on your machine. PWX Monitor keeps watching every layer, from the tenant to the power rail, with attack paths and alerts in your SIEM. PWX Protect acts on the BMC. Start with a pilot.