Vulnerability Monitor

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CVE-2019-16863

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.

Published

2019-11-14T03:15:11.510

Last Modified

2024-11-21T04:31:13.540

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-203
CWE-327

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	st	st33tphf2espi_firmware	71.0	Yes
Operating System	st	st33tphf2espi_firmware	71.4	Yes
Operating System	st	st33tphf2espi_firmware	71.12	Yes
Operating System	st	st33tphf2espi_firmware	73.0	Yes
Operating System	st	st33tphf2espi_firmware	73.4	Yes
Operating System	st	st33tphf2espi_firmware	73.8	Yes
Hardware	st	st33tphf2espi	-	No
Operating System	st	st33tphf2ei2c_firmware	73.5	Yes
Operating System	st	st33tphf2ei2c_firmware	73.9	Yes
Hardware	st	st33tphf2ei2c	-	No
Operating System	st	st33tphf20spi_firmware	74.0	Yes
Operating System	st	st33tphf20spi_firmware	74.4	Yes
Operating System	st	st33tphf20spi_firmware	74.8	Yes
Operating System	st	st33tphf20spi_firmware	74.16	Yes
Hardware	st	st33tphf20spi	-	No
Operating System	st	st33tphf20i2c_firmware	74.5	Yes
Operating System	st	st33tphf20i2c_firmware	74.9	Yes
Hardware	st	st33tphf20i2c	-	No

References

http://tpm.fail Third Party Advisory ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024 Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K32412503?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03972en_us Third Party Advisory ([email protected])
https://support.lenovo.com/us/en/product_security/LEN-29406 Third Party Advisory ([email protected])
https://www.st.com/content/st_com/en/campaigns/tpm-update.html Vendor Advisory ([email protected])
http://tpm.fail Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K32412503?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03972en_us Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.lenovo.com/us/en/product_security/LEN-29406 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.st.com/content/st_com/en/campaigns/tpm-update.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)