CVE-2018-10930: Input Validation

Published Aug 6, 2018
·
Updated

A flaw was found in RPC request using gfs3renamereq in glusterfs server. An authenticated attacker could use this flaw to write to a destination outside the gluster volume.

Other sources

The Gluster filesystem during a file rename only validates that the source path exists within the mounted volume. This can allow an attacker to rename files in locations outside a mounted volume.

Red Hat

Affected Software

22 affected componentsFixes available
redhat/glusterfs<0:3.12.2-18.el6
0:3.12.2-18.el6
redhat/glusterfs<0:3.12.2-18.el7
0:3.12.2-18.el7
redhat/redhat-release-server<0:6Server-6.10.0.24.el6
0:6Server-6.10.0.24.el6
redhat/redhat-storage-server<0:3.4.0.0-1.el6
0:3.4.0.0-1.el6
redhat/redhat-release-server<0:7.5-11.el7
0:7.5-11.el7
redhat/redhat-storage-server<0:3.4.0.0-1.el7
0:3.4.0.0-1.el7
redhat/imgbased<0:1.0.29-1.el7e
0:1.0.29-1.el7e
redhat/redhat-release-virtualization-host<0:4.2-7.3.el7
0:4.2-7.3.el7
redhat/redhat-virtualization-host<0:4.2-20181026.0.el7_6
0:4.2-20181026.0.el7_6
redhat/glusterfs<3.12.14
3.12.14
redhat/glusterfs<4.1.4
4.1.4
gluster GlusterFS>=3.12<3.12.14
gluster GlusterFS>=4.1<4.1.4
redhat Enterprise Linux=6.0
redhat Enterprise Linux=7.0
redhat Enterprise Linux Server=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
redhat Virtualization=4.0
redhat Virtualization Host=4.0
redhat Enterprise Linux=7.0
openSUSE Leap=15.1

Remediation

Information

To limit exposure of gluster server nodes : 1. gluster server should be on LAN and not reachable from public networks. 2. Use gluster auth.allow and auth.reject. 3. Use TLS certificates to authenticate gluster clients. caveat: This does not protect from attacks by authenticated gluster clients.

Event History

Sep 4, 2018
CVE Published
05:30 AM
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 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 the vulnerability ID for this flaw?

The vulnerability ID for this flaw is CVE-2018-10930.

2

What is the severity of CVE-2018-10930?

The severity of CVE-2018-10930 is high.

3

What is the affected software for CVE-2018-10930?

The affected software for CVE-2018-10930 is GlusterFS.

4

How can an attacker exploit CVE-2018-10930?

An attacker can exploit CVE-2018-10930 by using a flaw in RPC request in the GlusterFS server to write to a destination outside the Gluster volume.

5

Where can I find more information about CVE-2018-10930?

You can find more information about CVE-2018-10930 at the following references: [link1](https://access.redhat.com/security/updates/classification/), [link2](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1625085), [link3](https://access.redhat.com/errata/RHSA-2018:2607).

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