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.
References
| Link | Resource |
|---|---|
| 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 |
Configurations
History
26 Aug 2022, 19:15
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:redhat:coreos-installer:*:*:*:*:*:*:*:* | |
| CWE | CWE-276 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2018478 - Issue Tracking, Vendor Advisory | |
| References | (MISC) https://github.com/coreos/fedora-coreos-tracker/issues/889 - Issue Tracking, Patch, Third Party Advisory | |
| References | (MISC) https://access.redhat.com/security/cve/CVE-2021-3917 - Patch, Vendor Advisory | |
| References | (MISC) https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c - Patch, Third Party Advisory |
23 Aug 2022, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-08-23 20:15
Updated : 2024-02-04 22:51
NVD link : CVE-2021-3917
Mitre link : CVE-2021-3917
CVE.ORG link : CVE-2021-3917
JSON object : View
Products Affected
redhat
- coreos-installer
CWE
CWE-276
Incorrect Default Permissions