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CVE-2018-14659

Published: 31 October 2018

The Gluster file system through versions 4.1.4 and 3.1.2 is vulnerable to a denial of service attack via use of the 'GF_XATTR_IOSTATS_DUMP_KEY' xattr. A remote, authenticated attacker could exploit this by mounting a Gluster volume and repeatedly calling 'setxattr(2)' to trigger a state dump and create an arbitrary number of files in the server's runtime directory.

From the Ubuntu Security Team

It was discovered that GlusterFS incorrectly handled certain files. A remote authenticated attacker could possibly use this issue to create arbitrary files.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
glusterfs
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(4.1.4-1)
jammy Not vulnerable
(4.1.4-1)
trusty
Released (3.4.2-1ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
cosmic Ignored
(end of life)
disco Not vulnerable
(4.1.4-1)
eoan Not vulnerable
(4.1.4-1)
focal Not vulnerable
(4.1.4-1)
groovy Not vulnerable
(4.1.4-1)
impish Not vulnerable
(4.1.4-1)
kinetic Not vulnerable
(4.1.4-1)
lunar Not vulnerable
(4.1.4-1)
upstream Needs triage

xenial
Released (3.7.6-1ubuntu1+esm1)
Available with Ubuntu Pro
bionic
Released (3.13.2-1ubuntu1+esm1)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H