CVE-2018-14660

Description

A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr. A remote, authenticated attacker could use this flaw to create multiple locks for single inode by using setxattr repetitively resulting in memory exhaustion of glusterfs server node.

Categories

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.79% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com
Affected: [UNKNOWN] glusterfs
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:3431 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660 issue tracking vendor advisory
https://access.redhat.com/errata/RHSA-2018:3432 vendor advisory
https://access.redhat.com/errata/RHSA-2018:3470 vendor advisory
https://security.gentoo.org/glsa/201904-06 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-2018-14660?
CVE-2018-14660 has been scored as a medium severity vulnerability.
How to fix CVE-2018-14660?
To fix CVE-2018-14660, 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-2018-14660 being actively exploited in the wild?
It is possible that CVE-2018-14660 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-2018-14660?
CVE-2018-14660 affects [UNKNOWN] glusterfs.
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