CyberSecBulletin
CVE-2024-0101NVD status: Analyzed

Mellanox OS: Protection Mechanism Failure

CVE-2024-0101 is a high-severity protection mechanism failure vulnerability in Mellanox OS from NVIDIA, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Mellanox OS versions: All versions prior to and including 3.11.1000. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.53% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Mlnx-os to 3.11.2002 or a later version.
  2. Update Mlnx-gw to 8.1.4400 or 8.2.2000, whichever matches your release line, or a later version.
  3. Update Nvda-os Xc to 18.2.2000 or a later version.
  4. Read the advisory on nvidia.custhelp.com for workarounds and exact fixed builds.
  5. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
NVIDIAMellanox OSAll versions prior to and including 3.11.1000Not stated
NVIDIAONYXAll versions prior to and including 3.10.4300Not stated
NVIDIASkywayAll versions prior to and including 8.2.1000; All versions prior to and including 8.1.4300Not stated
NVIDIAMetroX-3 XCAll versions prior to and including 18.2.1000Not stated
NVIDIAMetroX-2All versions prior to and including 3.11.1000Not stated
NVIDIAmellanox_os_firmware3.11.1000 and earlierNot stated
NVIDIAonyx_firmware3.10.4300 and earlierNot stated
NVIDIAskyway_firmware8.2.1000 and earlier; 8.1.4300 and earlierNot stated
NVIDIAmetro-3_xc_firmware18.2.1000 and earlierNot stated
NVIDIAmetrox-2_firmware3.11.1000 and earlierNot stated
NVIDIAMlnx-osbefore 3.11.20023.11.2002
NVIDIAMlnx-gwbefore 8.1.4400; before 8.2.20008.1.4400, 8.2.2000
NVIDIANvda-os Xcbefore 18.2.200018.2.2000

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighCNA (nvidia.com)
CVSS 3.17.5HighNVD

Official description

NVIDIA Mellanox OS, ONYX, Skyway, MetroX-2 and MetroX-3 XC contain a vulnerability in ipfilter, where improper ipfilter definitions could enable an attacker to cause a failure by attacking the switch. A successful exploit of this vulnerability might lead to denial of service.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

More Protection Mechanism Failure vulnerabilities (CWE-693)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Mellanox OS

All Mellanox OS vulnerabilities

Recent Protection Mechanism Failure vulnerabilities

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