CVE-2019-16863

medium
New! CVE Severity Now Using CVSS v3

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Description

STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL.

References

http://tpm.fail

https://support.f5.com/csp/article/K32412503?utm_source=f5support&utm_medium=RSS

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03972en_us

https://support.lenovo.com/us/en/product_security/LEN-29406

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024

https://www.st.com/content/st_com/en/campaigns/tpm-update.html

Details

Source: MITRE

Published: 2019-11-14

Updated: 2021-07-21

Type: CWE-327

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM