TCG TPM2 Software Stack: Information disclosure — GLSA 202107-10

A bug in TCG TPM2 Software Stack may result in information disclosure to a local attacker.

Affected packages

app-crypt/tpm2-tss on all architectures
Affected versions < 2.4.3
Unaffected versions >= 2.4.3

Background

TCG TPM2 Software Stack is a library to interface with trusted platform modules.

Description

TCG TPM2 Software Stack did not appropriately apply FAPI policies to protect data encrypted with the trusted platform module.

Impact

Data encrypted using TCG TPM2 Software Stack (tpm2-tss) may not be protected from an attacker.

Workaround

There is no known workaround at this time.

Resolution

All tpm2-tss users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-crypt/tpm2-tss-2.4.3"
 

References

Release date
July 07, 2021

Latest revision
July 07, 2021: 1

Severity
normal

Exploitable
local

Bugzilla entries