CVE-2019-18619 Information

Description

Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prior to 2019-11-15) allows a local user to execute arbitrary code in the enclave (that can compromise confidentiality of enclave data) via APIs that accept invalid pointers.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://support.hp.com/hk-en/document/c06696568 https://support.lenovo.com/us/en/product_security/LEN-31372 https://www.synaptics.com/company/blog/ https://www.synaptics.com/sites/default/files/fingerprint-driver-SGX-security-brief-2020-07-14.pdf https://www.syssec.wiwi.uni-due.de/en/research/research-projects/analysis-of-tee-software/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8