Log in Start free

Vulnerability · Published Jul 19, 2023 · Assigned by redhat

CVE-2023-3674Keylime: attestation failure when the quote's signature does not validate

Low 2.3

In plain English

A low-severity security flaw in Red Hat Enterprise Linux 9 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)2.3Low
Exploit odds (30 days)0.2%top 88.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9keylime7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9keylime-base7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9keylime-registrar7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9keylime-selinux7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9keylime-tenant7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9keylime-verifier7.3.0-13.el9_3ALSA-2024:1139
AlmaLinux:9python3-keylime7.3.0-13.el9_3ALSA-2024:1139
PyPIkeylime7.2.5GHSA-g4wg-cfpf-9689
PyPIkeylime7.2.5PYSEC-2023-128
Rocky Linux:9keylime0:7.3.0-13.el9_3RLSA-2024:1139

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-1283 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

References