QwikSec

Security Database

CVE

CWE

Training

CVE-2021-20319

Published: Mar 4, 2022

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	coreos-installer	affected `Affects coreos-installer before v0.10.1, Fixed in v0.10.1.`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=2011862

x_refsource_MISC

https://github.com/coreos/coreos-installer/security/advisories/GHSA-3r3g-g73x-g593

x_refsource_MISC

https://github.com/coreos/coreos-installer/pull/659/commits/ad243c6f0eff2835b2da56ca5f7f33af76253c89

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.