CVE-2018-14660

MEDIUM

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.

References

https://access.redhat.com/errata/RHSA-2018:3431

https://access.redhat.com/errata/RHSA-2018:3432

https://access.redhat.com/errata/RHSA-2018:3470

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660

https://security.gentoo.org/glsa/201904-06

Details

Source: MITRE

Published: 2018-11-01

Updated: 2019-04-02

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM