Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2020-25654: An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration. 1888191: CVE-2020-25654 pacemaker: ACL restrictions bypass
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | pacemaker | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-cli | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-cluster-libs | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-cts | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-debuginfo | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-doc | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-libs | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-libs-devel | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-nagios-plugins-metadata | 0:1.1.23-1.amzn2.1 |
| Amazon Linux · 2 | pacemaker-remote | 0:1.1.23-1.amzn2.1 |
Vulnerabilities 1
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Unscored —
An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group …
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2020-25654.html