PT-2022-3401 · Synaptics · Synaptics Fingerprint Driver

Published 2022-06-14 · Updated 2023-06-26 · CVE-2021-3675

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Synaptics Fingerprint Driver versions 5.1.xxx.26 prior to xxx=340 on x86/64 Synaptics Fingerprint Driver versions 5.2.xxxx.26 prior to xxxx=3541 on x86/64 Synaptics Fingerprint Driver versions 5.2.2xx.26 prior to xx=29 on x86/64 Synaptics Fingerprint Driver versions 5.2.3xx.26 prior to xx=25 on x86/64 Synaptics Fingerprint Driver versions 5.3.xxxx.26 prior to xxxx=3543 on x86/64 Synaptics Fingerprint Driver versions 5.5.xx.1058 prior to xx=44 on x86/64 Synaptics Fingerprint Driver versions 5.5.xx.1102 prior to xx=34 on x86/64 Synaptics Fingerprint Driver versions 5.5.xx.1116 prior to xx=14 on x86/64 Synaptics Fingerprint Driver versions 6.0.xx.1104 prior to xx=50 on x86/64 Synaptics Fingerprint Driver versions 6.0.xx.1108 prior to xx=31 on x86/64 Synaptics Fingerprint Driver versions 6.0.xx.1111 prior to xx=58 on x86/64

Description The issue is related to improper input validation in the synaTEE.signed.dll library of the Synaptics Fingerprint Driver, which may allow a local authorized attacker to overwrite a heap tag, potentially leading to a loss of confidentiality.

Recommendations For Synaptics Fingerprint Driver versions 5.1.xxx.26 prior to xxx=340 on x86/64, update to a version where xxx is 340 or later. For Synaptics Fingerprint Driver versions 5.2.xxxx.26 prior to xxxx=3541 on x86/64, update to a version where xxxx is 3541 or later. For Synaptics Fingerprint Driver versions 5.2.2xx.26 prior to xx=29 on x86/64, update to a version where xx is 29 or later. For Synaptics Fingerprint Driver versions 5.2.3xx.26 prior to xx=25 on x86/64, update to a version where xx is 25 or later. For Synaptics Fingerprint Driver versions 5.3.xxxx.26 prior to xxxx=3543 on x86/64, update to a version where xxxx is 3543 or later. For Synaptics Fingerprint Driver versions 5.5.xx.1058 prior to xx=44 on x86/64, update to a version where xx is 44 or later. For Synaptics Fingerprint Driver versions 5.5.xx.1102 prior to xx=34 on x86/64, update to a version where xx is 34 or later. For Synaptics Fingerprint Driver versions 5.5.xx.1116 prior to xx=14 on x86/64, update to a version where xx is 14 or later. For Synaptics Fingerprint Driver versions 6.0.xx.1104 prior to xx=50 on x86/64, update to a version where xx is 50 or later. For Synaptics Fingerprint Driver versions 6.0.xx.1108 prior to xx=31 on x86/64, update to a version where xx is 31 or later. For Synaptics Fingerprint Driver versions 6.0.xx.1111 prior to xx=58 on x86/64, update to a version where xx is 58 or later.

Fix

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

BDU:2022-04174

CVE-2021-3675

Affected Products

Synaptics Fingerprint Driver

References · 7

• https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-04174 · Security Note
• https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-3675 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3675 · Vendor Advisory
• https://t.me/cibsecurity/44658 · Telegram Post
• https://support.lenovo.com/us/en/product_security/LEN-68054 · Note