CVE-2018-10923

Description

It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.76% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org
Affected: Red Hat glusterfs
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10923 issue tracking mitigation
https://access.redhat.com/errata/RHSA-2018:2607 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00021.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:2608 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3470 third party advisory vendor advisory
https://security.gentoo.org/glsa/201904-06 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html mailing list third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-10923?
CVE-2018-10923 has been scored as a high severity vulnerability.
How to fix CVE-2018-10923?
To fix CVE-2018-10923, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-10923 being actively exploited in the wild?
It is possible that CVE-2018-10923 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-10923?
CVE-2018-10923 affects Red Hat glusterfs.
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