CVE-2019-16863 Information disclosure in n/a
Attackers can extract ECDSA private keys from STMicroelectronics TPM devices via a side-channel timing attack, compromising cryptographic security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16863?
CVE-2019-16863 is a medium-severity vulnerability in n/a, published on 14 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2019-16863?
It affects 4 products.
Products include St St33tphf20i2c Firmware, St St33tphf20spi Firmware, St St33tphf2ei2c Firmware, St St33tphf2espi Firmware.
How do I fix CVE-2019-16863?
No fix has been published for CVE-2019-16863 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16863 being exploited?
There is no known exploitation of CVE-2019-16863 in the wild and no public exploit code.
Sources
Also known as GHSA-wg83-v62r-wh2x.