Name: CVE-2021-20319: Improper Verification of Cryptographic Signature
Creator: Rapid7
Published: 2022-03-04T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-20319, CWE-347, CVSS 7.8, EPSS 0.00099

An improper signature verification vulnerability was found in coreos-installer. A specially crafted gzip installation image can bypass the image signature verification and as a consequence can lead to the installation of unsigned content. An attacker able to modify the original installation image can write arbitrary data, and achieve full access to the node being installed.

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Redhat Openshift	—	Upgrade coreos-installer	Oct 28, 2021	Oct 7, 2021

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CVSS Details

Covered by Rapid7

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