CVEvulnerability
CVE-2021-3917
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-276
Description
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
Affected configurations
• redhat coreos-installer (< 0.10.0)
Related
Weakness · CWE (1)
- CWE-276 Incorrect Default Permissions weakness
References
- https://access.redhat.com/security/cve/CVE-2021-3917 Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2018478 Issue Tracking, Vendor Advisory
- https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c Patch, Third Party Advisory
- https://github.com/coreos/fedora-coreos-tracker/issues/889 Issue Tracking, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3917 Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2018478 Issue Tracking, Vendor Advisory
- https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c Patch, Third Party Advisory
- https://github.com/coreos/fedora-coreos-tracker/issues/889 Issue Tracking, Patch, Third Party Advisory