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CVE-2018-14660

Published: 1 November 2018

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.

From the Ubuntu Security Team

It was discovered that GlusterFS incorrectly handled certain inputs. A remote authenticated attacker could possibly use this is issue to cause a denial of service.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
glusterfs
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(4.1.4-1)
bionic
Released (3.13.2-1ubuntu1+esm1)
Available with Ubuntu Pro
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)
hirsute 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)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)

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