VulnerabilityModified
CVE-2021-3917
This flaw allows a local attacker to have read access to potentially sensitive data.
MEDIUM 5.5EPSS 0.23%
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- redhat/coreos-installer
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-3917Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2018478Issue Tracking, Vendor Advisory
- https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0cPatch, Third Party Advisory
- https://github.com/coreos/fedora-coreos-tracker/issues/889Issue Tracking, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3917Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2018478Issue Tracking, Vendor Advisory
- https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0cPatch, Third Party Advisory
- https://github.com/coreos/fedora-coreos-tracker/issues/889Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.