CVE-2021-3917
First published: Fri Oct 29 2021(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/coreos-installer | <0.10.0 | 0.10.0 |
| Redhat Coreos-installer | <0.10.0 |
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Reference Links
- https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2018889
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1989544#c3
- https://access.redhat.com/errata/RHSA-2021:4829
- https://access.redhat.com/security/cve/cve-2021-3917
- https://bugzilla.redhat.com/show_bug.cgi?id=2018478
- https://access.redhat.com/security/cve/CVE-2021-3917
- https://github.com/coreos/fedora-coreos-tracker/issues/889
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