Home/CVE/Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prio
CVE

CVE-2019-18619

Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prio

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.

HIGH · CVSS 7.8 EPSS 0.00138
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-763Release of Invalid Pointer or Reference
▤

Affected Products & Versions

44
synaptics vfs75xx firmwareall versions
lenovo thinkpad 25 firmware< 5.2.3540.26
lenovo thankpad a475 firmware< 5.02.3539.0026
lenovo thankpad a485 firmware< 5.03.3542.0026
lenovo thinkpad e480 firmware< 5.2.321.26
lenovo thinkpad e580 firmware< 5.2.321.26
lenovo thinkpad e485 firmware< 5.2.321.26
lenovo thinkpad e585 firmware< 5.2.321.26
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Jul 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.hp.com/hk-en/document/c06696568PatchThird Party Advisory
https://support.lenovo.com/us/en/product_security/LEN-31372PatchThird Party Advisory
https://www.synaptics.com/company/blog/Vendor Advisory
https://www.synaptics.com/sites/default/files/fingerprint-driver-SGX-security-brief-2020-07-14.pdfVendor Advisory
https://www.syssec.wiwi.uni-due.de/en/research/research-projects/analysis-of-tee-software/Vendor Advisory
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