Red Hat Enterprise Linux 6 to 8.9 - CVE-2019-1125: Clustered Solutions Notifications feature in Red Hat Enterprise Linux 6 to 8.9 allows high privileged attacker to inject unsafe code into Cluster notifications and potentially cause Denial of Service (DoS) or privilege escalation. Red Hat Enterprise Linux 6 to 8 Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 7 (RHEA) Red Hat Enterprise Linux 7.5 (RHEB) Red Hat Enterprise Linux 7.5 (RHEB) Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 8 (RHEA) Red Hat Enterprise Linux 8 (RHEA) Red Hat Enterprise Linux 8.9 (RHEB) Red Hat Enterprise Linux 8.9 (RHEB) Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 9 (RHEA) Red Hat Enterprise Linux 9 (RHEA) Red Hat Enterprise Linux 9 (RHEB) Red Hat Enterprise Linux 9 (RHEB) Red Hat Enterprise Linux 10 Red Hat Enterprise Linux 10 (RHEA) Red Hat Enterprise Linux 10 (RHEA) Red Hat Enterprise Linux 10 (RHEB) Red Hat Enterprise Linux 10 (RHEB) Red Hat Enterprise Linux 11 Red Hat Enterprise Linux 11 (RHEA) Red Hat Enterprise Linux 11 (RHEA) Red Hat Enterprise Linux 11 (RHEB) Red Hat Enterprise Linux 11 (RHEB) Red Hat Enterprise Linux 12 Red Hat Enterprise Linux 12 (

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References:

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"Facebook: One of the most popular social media platforms." https://www.searchenginejournal.com/facebook/?utm_source=SEJ&utm_medium=desktop&utm_campaign=Blog%20Post%20Writer&utm_term=2Econtent.0D10DB96F8FEE1B37B58C9E1AFF2C723B
"Importance of Digital Marketing: 6 Reasons Why Digital Marketing Is Important." https://www.searchenginejournal.com/importance-of-digital-marketing/?utm_source=SEJ&utm_medium=desktop&utm_campaign=Blog%20Post%20Writer&utm_term=2Econtent.0D10DB96F8FEE1B37B58C9E1AFF2C723B
"CVE - 2022 - 21279: Red Hat Enterprise

How Does Clustered Solutions Notifications Feature Work?

The Clustered Solutions Notifications feature in Red Hat Enterprise Linux 6 to 8.9 is designed to provide a notification delivery service for high level clusters such as the LVM and dvSwitches. The notifications are delivered via email after a cluster action has completed, meaning that there is no direct way to control how these notifications are sent out.

There are two known issues with the default behavior of this feature:
A high privileged attacker could inject unsafe code into the Cluster notifications and cause Denial of Service (DoS) or privilege escalation.
If the current Cluster Notification recipient is not able to read email, then they will not receive a notification about the completion of an action in their cluster, which will result in them being unable to perform any other actions on their cluster.

Timeline

Published on: 01/19/2022 12:15:00 UTC
Last modified on: 01/24/2022 17:19:00 UTC

References