CVE-2022-1053 — Improper Input Validation in Keylime
Severity
9.1CRITICALNVD
EPSS
0.5%
top 35.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 6
Description
Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifier for validating the integrity quote. This allows an attacker to use one AK, EK pair from a real TPM to pass EK validation and give the verifier an AK of a software TPM. A successful attack breaks the entire chain of trust because a not validated AK is used by the verifier. This issue is worse if the validation happens first and then the agent gets…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 3.9 | Impact: 5.2
Affected Packages3 packages
Also affects: Fedora 34, 35, 36
Patches
🔴Vulnerability Details
3OSV▶
CVE-2022-1053: Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifie↗2022-05-06