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CVE-2018-5924: A maliciously crafted file sent to an affected device can cause a stack buffer overflow, which could allow…

CVE-2018-5924 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 270 affected products, including HP T8x44 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

A security vulnerability has been identified with certain HP Inkjet printers. A maliciously crafted file sent to an affected device can cause a stack buffer overflow, which could allow remote code execution.

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-787: Out-of-bounds Write

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

Affected products

HP T8x44 Firmware: 1828a
HP 3aw51a Firmware: 1828a
HP A9u28b Firmware: 1828b
HP D3a82a Firmware: 1828b
HP V1n08a Firmware: 1828a
HP Y5h80a Firmware: 1828a
HP D4h24b Firmware: 1826a
HP F5s57a Firmware: 1829a
HP K4t99b Firmware: 1829a
HP K4u04b Firmware: 1829a
HP T8x39 Firmware: 1828a
HP 1sh08 Firmware: 1828a
HP 3aw44a Firmware: 1828a
HP A9u19a Firmware: 1828b
HP D3a78b Firmware: 1828b