CVE-2021-3505CWE-331

A flaw was found in libtpms in versions before 0.8.0

published April 19, 2021

CVSS
—
EPSS
0%
Percentile
33.5
In the wild
Unconfirmed
What it is

A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algorithm in RsaAdjustPrimeCandidate(), which is called before the prime number check. The highest threat from this vulnerability is to data confidentiality.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00404 · 33.5th percentile
Weakness
CWE-331 · Insufficient Entropy
Published
2021-04-19T20:22Z
EPSS history
Timeline
  • 19 APR 20:22Z
    A flaw was found in libtpms in versions before 0.8.0
    cvelistv5