Resource exhaustion in Gluster Glusterfs
CVE-2018-14660
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Gluster Glusterfs
- [Unknown] Glusterfs — versions affected versions through 3.1.2, affected versions through 4.1.4
- Debian Linux — versions 9.0
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Virtualization — versions 4.0
- Red Hat Virtualization Host — versions 4.0
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2018:3431 (vendor-advisory, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3432 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3470 (vendor-advisory, Vendor Advisory)
- security.gentoo.org/glsa/201904-06 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-14660?
- CVE-2018-14660 is a medium-severity vulnerability in Gluster Glusterfs, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2018-11-01.
- How severe is CVE-2018-14660?
- Medium severity. CVSS v3 base score is 6.5 out of 10.