CVEvulnerability

CVE-2019-16863

5.9 MEDIUM Published 2019-11-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-11-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-203, CWE-327

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.

Affected configurations

• st st33tphf2espi firmware 71.0 • st st33tphf2espi firmware 71.4 • st st33tphf2espi firmware 71.12 • st st33tphf2espi firmware 73.0 • st st33tphf2espi firmware 73.4 • st st33tphf2espi firmware 73.8 • st st33tphf2ei2c firmware 73.5 • st st33tphf2ei2c firmware 73.9 • st st33tphf20spi firmware 74.0 • st st33tphf20spi firmware 74.4 • st st33tphf20spi firmware 74.8 • st st33tphf20spi firmware 74.16 • st st33tphf20i2c firmware 74.5 • st st33tphf20i2c firmware 74.9

Related

Weakness · CWE (2)

  • CWE-203 Observable Discrepancy weakness
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness

References