Keylime: attestation failure when the quote's signature does not validate
Priority LOW 13CWE-1283Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00212 11th percentileScored 2026-11-07
Fix Fixed keylime (PyPI): 7.2.5Red Hat: 1 advisory
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 | — | 7.3.0-13.el9_3 | Patch available | CNA |
| — | keylime (PyPI) | before 7.2.5 | 7.2.5 | Patch available | GHSA-g4wg-cfpf-9689 |
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 7.3.0-13.el9_3 Patch available CNA
- keylime (PyPI) Vendor— Affected before 7.2.5 Fixed in 7.2.5 Patch available GHSA-g4wg-cfpf-9689
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:keylime:keylime:*:*:*:*:*:*:*:* | before 7.2.5 | Vulnerable | Keylime |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:keylime:keylime:*:*:*:*:*:*:*:* Versions before 7.2.5 Vulnerable ·Keylime
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-g4wg-cfpf-9689 keylime (PyPI) Fixed in 7.2.5 Advisory →
Red Hat 1 advisory
- RHSA-2024:1139 Released 2024-03-05 · Red Hat rating Lowkeylime security update
- Red Hat Enterprise Linux AppStream (v. 9) keylime-7.3.0-13.el9_3, keylime-base-7.3.0-13.el9_3, keylime-registrar-7.3.0-13.el9_3 +4
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:1139 |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3674
- 2026-10-03 Alias added: GHSA-g4wg-cfpf-9689
References
Patch 2
Advisory 3
More Red Hat vulnerabilities
- TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-3674 · CVE Program
- CVE-2023-3674 · NVD
- FIRST EPSS
- GHSA-g4wg-cfpf-9689 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-3674 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences