Use of Hard-coded Cryptographic Key in tpm2-tools - CVE-2021-3565

 

Use of Hard-coded Cryptographic Key in tpm2-tools - CVE-2021-3565

Published: June 21, 2021


Vulnerability identifier: #VU54287
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3565
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux TPM2 & TSS2 Software
Affected software:
tpm2-tools

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of a fixed AES key in the tpm2_import function. A remote attacker can perform MitM attack and gain access to sensitive information.


How to mitigate CVE-2021-3565

Install updates from vendor's website.

Sources