CyberSecBulletin
CVE-2024-0794NVD status: Deferred

Certain LaserJet Pro, HP Enterprise LaserJet…: Out-of-bounds Read

Published Updated By the CyberSecBulletin desk

CVE-2024-0794 is a critical-severity out-of-bounds read vulnerability in Certain LaserJet Pro, HP Enterprise LaserJet, HP LaserJet Managed Printers from HP, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Certain LaserJet Pro, HP Enterprise LaserJet, HP LaserJet Managed Printers versions: See HP Security Bulletin reference for affected versions.. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.34% chance of exploitation within 30 days, higher than 72% of scored CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Certain LaserJet Pro, HP Enterprise LaserJet, HP LaserJet Managed Printers you run against the affected versions below, and install the vendor's latest release.
  2. 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
HPCertain LaserJet Pro, HP Enterprise LaserJet, HP LaserJet Managed PrintersSee HP Security Bulletin reference for affected versions.Not stated

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
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

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

Official description

Certain HP LaserJet Pro, HP Enterprise LaserJet, and HP LaserJet Managed Printers are potentially vulnerable to Remote Code Execution due to buffer overflow when rendering fonts embedded in a PDF file.

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

The underlying weakness: Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

How developers prevent this class of flaw

  • Use a language that provides appropriate memory abstractions.

More Out-of-bounds Read vulnerabilities (CWE-125)

Timeline

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

References

Recent Out-of-bounds Read vulnerabilities

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