CVE-2022-3596: Instack-undercloud: rsync leaks information to undercloud

Published Oct 20, 2022
·
Updated

An an information leak was discovered in OpenStack's undercloud. Rsync stores sensitive swift data (for example administrative credentials to the overcloud) in a manner that makes this information visible to local users of the undercloud. This enables potentially anyone with network access to the undercloud to further gain access to the rest of an OpenStack deployment.

Other sources

An information leak was found in OpenStack's undercloud. This flaw allows unauthenticated, remote attackers to inspect sensitive data after discovering the IP address of the undercloud, possibly leading to compromising private information, including administrator access credentials.

Affected Software

3 affected componentsFixes available
redhat/instack-undercloud<0:8.4.9-13.el7
0:8.4.9-13.el7
redhat Openstack Platform=13.0
redhat Openstack Platform=13.0

Remediation

Information

The rsync daemon is no longer needed and can be manually disabled by running the following commands on the undercloud: sudo rm /etc/xinetd.d/rsync /etc/rsyncd.conf sudo systemctl restart xinetd However, this will be reverted if the undercloud gets updated.

Event History

Oct 20, 2022
Data Sourced
via Red Hat·06:25 PM
DescriptionSeverityAffected Software
Dec 5, 2022
CVE Published
12:00 AM
Sep 20, 2023
CVE Published
via MITRE·07:06 PM
Data Sourced
via MITRE·07:06 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2022-3596?

CVE-2022-3596 is a vulnerability found in OpenStack's undercloud that allows unauthenticated remote attackers to inspect sensitive data after discovering the IP address of the undercloud.

2

What is the severity of CVE-2022-3596?

The severity of CVE-2022-3596 is high with a CVSS score of 7.5.

3

How does CVE-2022-3596 impact Redhat Openstack Platform 13.0?

CVE-2022-3596 affects Redhat Openstack Platform 13.0, allowing unauthenticated remote attackers to inspect sensitive data.

4

How can CVE-2022-3596 be exploited?

CVE-2022-3596 can be exploited by unauthenticated remote attackers who discover the IP address of the undercloud to access and inspect sensitive data.

5

Is there a fix available for CVE-2022-3596?

Yes, a fix is available for CVE-2022-3596. Users should apply the appropriate patches provided by Redhat Openstack Platform.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203