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CVE-2018-5923: In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise…

CVE-2018-5923 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 138 affected products, including HP Color Laserjet Cm4540 Mfp Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise Printers, solution application signature checking may allow potential execution of arbitrary code.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-347: Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected products

  • HP Color Laserjet Cm4540 Mfp Firmware: before 2308974_579754
  • HP Color Laserjet Cp5525 Firmware: before 2308974_579753
  • HP Color Laserjet Enterprise Flow Mfp M681f Firmware: before 2406087_000017
  • HP Color Laserjet Enterprise Flow Mfp M681z Firmware: before 2406087_000017
  • HP Color Laserjet Enterprise Flow Mfp M682z Firmware: before 2406087_000017
  • HP Color Laserjet Enterprise M552 Firmware: before 2308974_579763
  • HP Color Laserjet Enterprise M553 Firmware: before 2308974_579763
  • HP Color Laserjet Enterprise M651 Firmware: before 2406048_029632; before 2308974_579770
  • HP Color Laserjet Enterprise M652n Firmware: before 2406087_000016
  • HP Color Laserjet Enterprise M652dn Firmware: before 2406087_000016
  • HP Color Laserjet Enterprise M653dn Firmware: before 2406087_000016
  • HP Color Laserjet Enterprise M653dh Firmware: before 2406087_000016
  • HP Color Laserjet Enterprise M653x Firmware: before 2406087_000016
  • HP Color Laserjet Enterprise M750 Firmware: before 2308974_579776
  • HP Color Laserjet Enterprise Mfp M577 Firmware: before 2406048_029627; before 2308974_579760

References