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CVE-2017-2750: Insufficient Solution DLL Signature Validation allows potential execution of arbitrary code in HP LaserJet…

CVE-2017-2750 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 173 affected products, including HP L2683a 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

Insufficient Solution DLL Signature Validation allows potential execution of arbitrary code in HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP OfficeJet Enterprise printers before 2308937_578479, 2405087_018548, and other firmware versions.

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-20: Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected products

  • HP L2683a Firmware: before 2405087_018552
  • HP L2717a Firmware: before 2308937_578486
  • HP L2762a Firmware: before 2308937_578483; before 2405087_018553
  • HP J7z13a Firmware: before 2405087_018548
  • HP Z5g79a Firmware: before 2405087_018548
  • HP L3u42a Firmware: before 2405129_000066; before 2308937_578492
  • HP J7z08a Firmware: before 2405087_018548
  • HP J7z14a Firmware: before 2405087_018548
  • HP Z5g77a Firmware: before 2405087_018548
  • HP J7z03a Firmware: before 2405087_018548
  • HP J7z07a Firmware: before 2405087_018548
  • HP J7z05a Firmware: before 2405087_018548
  • HP L3u43a Firmware: before 2405129_000066; before 2308937_578492
  • HP G1w41a Firmware: before 2405129_000066; before 2308937_578492
  • HP G1w41v Firmware: before 2405129_000066; before 2308937_578492

References