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CVE-2021-44225

Status Candidate

Overview

In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property

Related Files

Red Hat Security Advisory 2022-1930-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1930-01 - The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server kernel module providing layer-4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol to achieve high availability with director failover. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, protocol, bypass
systems | linux, redhat
advisories | CVE-2021-44225
SHA-256 | 76947cf8d24f0cc01edc970c03b76ca139059d4c8da0b51ff3856d60cefacc15
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