Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| St | St33Tphf2Espi Firmware | 71.0 |
| St | St33Tphf2Espi | - |
| St | St33Tphf2Ei2C Firmware | 73.5 |
| St | St33Tphf2Ei2C | - |
| St | St33Tphf20Spi Firmware | 74.0 |
| St | St33Tphf20Spi | - |
| St | St33Tphf20I2C Firmware | 74.5 |
| St | St33Tphf20I2C | - |
Related Weaknesses (CWE)
References
- http://tpm.failThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024Third Party Advisory
- https://support.f5.com/csp/article/K32412503?utm_source=f5support&%3Butm_medi
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpeThird Party Advisory
- https://support.lenovo.com/us/en/product_security/LEN-29406Third Party Advisory
- https://www.st.com/content/st_com/en/campaigns/tpm-update.htmlVendor Advisory
- http://tpm.failThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024Third Party Advisory
- https://support.f5.com/csp/article/K32412503?utm_source=f5support&%3Butm_medi
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpeThird Party Advisory
- https://support.lenovo.com/us/en/product_security/LEN-29406Third Party Advisory
- https://www.st.com/content/st_com/en/campaigns/tpm-update.htmlVendor Advisory
FAQ
What is CVE-2019-16863?
CVE-2019-16863 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 ...
How severe is CVE-2019-16863?
CVE-2019-16863 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-16863?
Check the references section above for vendor advisories and patch information. Affected products include: St St33Tphf2Espi Firmware, St St33Tphf2Espi, St St33Tphf2Ei2C Firmware, St St33Tphf2Ei2C, St St33Tphf20Spi Firmware.