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CVE-2018-16886

Status Candidate

Overview

etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.

Related Files

Red Hat Security Advisory 2019-1352-01
Posted Jun 4, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1352-01 - The etcd packages provide a highly available key-value store for shared configuration. An improper authentication vulnerability was addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-16886
SHA-256 | 27e8b6a282e53e9ccfe93c516b662721ff77aa483599cc1fe1327f241578baf6
Red Hat Security Advisory 2019-0237-01
Posted Feb 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0237-01 - The etcd packages provide a highly available key-value store for shared configuration. Issues addressed include an improper authentication vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-16886
SHA-256 | c72b9fe5413afc546311050d978e7b7a8055256991222c11fd930786001f7788
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