Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2019-16863

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/11/2019
Last modified:
07/11/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:st:st33tphf2espi_firmware:71.0:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2espi_firmware:71.4:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2espi_firmware:71.12:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2espi_firmware:73.0:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2espi_firmware:73.4:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2espi_firmware:73.8:*:*:*:*:*:*:*
cpe:2.3:h:st:st33tphf2espi:-:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2ei2c_firmware:73.5:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf2ei2c_firmware:73.9:*:*:*:*:*:*:*
cpe:2.3:h:st:st33tphf2ei2c:-:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf20spi_firmware:74.0:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf20spi_firmware:74.4:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf20spi_firmware:74.8:*:*:*:*:*:*:*
cpe:2.3:o:st:st33tphf20spi_firmware:74.16:*:*:*:*:*:*:*
cpe:2.3:h:st:st33tphf20spi:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools