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CVE-2020-15113

Status Candidate

Overview

In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (700) by using the os.MkdirAll. This function does not perform any permission checks when a given directory path exists already. A possible workaround is to ensure the directories have the desired permission (700).

Related Files

Ubuntu Security Notice USN-5628-1
Posted Sep 22, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5628-1 - It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service. It was discovered that etcd incorrectly handled directory permissions when trying to create a directory that exists already. An attacker could possibly use this issue to obtain sensitive information. It was discovered that etcd incorrectly handled endpoint setup. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2020-15106, CVE-2020-15113, CVE-2020-15114
SHA-256 | 28f2da782ea003139da2e8040d034ae2b2f3198ce124812a6471f98fc2cbaab1
Red Hat Security Advisory 2021-2438-01
Posted Jul 28, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2438-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include bypass, code execution, denial of service, open redirection, resource exhaustion, and remote shell upload vulnerabilities.

tags | advisory, remote, denial of service, shell, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2016-2183, CVE-2020-15106, CVE-2020-15112, CVE-2020-15113, CVE-2020-15114, CVE-2020-15136, CVE-2020-26160, CVE-2020-26541, CVE-2020-28469, CVE-2020-28500, CVE-2020-28852, CVE-2020-7774, CVE-2021-20206, CVE-2021-20271, CVE-2021-20291, CVE-2021-21419, CVE-2021-21623, CVE-2021-21639, CVE-2021-21640, CVE-2021-21648, CVE-2021-22133, CVE-2021-23337, CVE-2021-23362, CVE-2021-23368, CVE-2021-23382, CVE-2021-25735
SHA-256 | 44f1588b77c38919a903c4dffe0b5b58cf96f91a447694471f228851a5f89f6d
Red Hat Security Advisory 2021-0916-01
Posted Mar 18, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0916-01 - A highly-available key value store for shared configuration. Issues addressed include denial of service and resource exhaustion vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2020-15106, CVE-2020-15112, CVE-2020-15113, CVE-2020-15114, CVE-2020-15115, CVE-2020-15136
SHA-256 | 0bdcf046f9fdb59ea9e694ecb80852f244b005d8a32739b4fe9cd5226b0bc65e
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