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Fencer Intel
medium 6.5

CVE-2018-14661 json

It was found that usage of snprintf function in feature/locks translator of glusterfs server 3.8.4, as shipped with Red Hat Gluster Storage…

published 8y ago modified 4mo ago also EUVD-2018-6556

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

It was found that usage of snprintf function in feature/locks translator of glusterfs server 3.8.4, as shipped with Red Hat Gluster Storage, was vulnerable to a format string attack. A remote, authenticated attacker could use this flaw to cause remote denial of service.

Patch / fix

  • glusterfs Debian 14, Debian 13, Debian 12 5.1-1

debian advisories DEBIAN-CVE-2018-14661

  • glusterfs Ubuntu Pro 14.04 LTS 3.4.2-1ubuntu1+esm1
  • glusterfs Ubuntu Pro 16.04 LTS 3.7.6-1ubuntu1+esm1
  • glusterfs Ubuntu Pro 18.04 LTS 3.13.2-1ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2018-14661

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • glusterfs storage 3.4 3.12.2-25.el7rhgs
  • glusterfs storage 3, RHEL 7 3.12.2-25.el7
  • glusterfs-api storage 3.4 3.12.2-25.el7rhgs
  • glusterfs-api storage 3, RHEL 7 3.12.2-25.el7
  • glusterfs-cli storage 3.4 3.12.2-25.el7rhgs
  • glusterfs-cli storage 3, RHEL 7 3.12.2-25.el7
  • glusterfs-fuse storage 3.4 3.12.2-25.el7rhgs
  • glusterfs-fuse storage 3, RHEL 7 3.12.2-25.el7

red hat advisories RHSA-2018:3432RHSA-2018:3431RHSA-2018:3470

  • glusterfs Azure Linux 3.0 5.1-1

azure linux advisories AZL-38872

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14661 updated cvss 6.5

glusterfs: features/locks translator passes an user-controlled string to snprintf without a proper format string resulting in a denial of service

  • Red Hat Gluster Storage Server 3.4 on RHEL-6 glusterfs 3.12.2-25.el6rhs, glusterfs-api 3.12.2-25.el6rhs, glusterfs-cli 3.12.2-25.el6rhs, glusterfs-fuse 3.12.2-25.el6rhs, glusterfs-libs 3.12.2-25.el6rhs, glusterfs-rdma 3.12.2-25.el6rhs, +7 more
    fixed: vendor fix RHSA-2018:3431
  • Red Hat Gluster Storage Server 3.4 on RHEL-7 glusterfs 3.12.2-25.el7rhgs, glusterfs-api 3.12.2-25.el7rhgs, glusterfs-cli 3.12.2-25.el7rhgs, glusterfs-fuse 3.12.2-25.el7rhgs, glusterfs-libs 3.12.2-25.el7rhgs, glusterfs-rdma 3.12.2-25.el7rhgs, +8 more
    fixed: vendor fix RHSA-2018:3432
  • Red Hat Storage Native Client for Red Hat Enterprise Linux 6 glusterfs 3.12.2-25.el6, glusterfs-api 3.12.2-25.el6, glusterfs-cli 3.12.2-25.el6, glusterfs-fuse 3.12.2-25.el6, glusterfs-libs 3.12.2-25.el6, glusterfs-rdma 3.12.2-25.el6, +2 more
    fixed: vendor fix RHSA-2018:3431
  • Red Hat Storage Native Client for Red Hat Enterprise Linux 7 glusterfs 3.12.2-25.el7, glusterfs-api 3.12.2-25.el7, glusterfs-cli 3.12.2-25.el7, glusterfs-fuse 3.12.2-25.el7, glusterfs-libs 3.12.2-25.el7, glusterfs-rdma 3.12.2-25.el7, +2 more
    fixed: vendor fix RHSA-2018:3432
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host 4.2-20181026.0.el7_6, redhat-virtualization-host-image-update 4.2-20181026.0.el7_6
    fixed: vendor fix RHSA-2018:3470
  • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts glusterfs 3.12.2-25.el7, glusterfs-api 3.12.2-25.el7, glusterfs-cli 3.12.2-25.el7, glusterfs-fuse 3.12.2-25.el7, glusterfs-libs 3.12.2-25.el7, glusterfs-rdma 3.12.2-25.el7, +1 more
    fixed: vendor fix RHSA-2018:3432
  • Red Hat RHEL 7-based RHEV-H for RHEV 4 (build requirements) imgbased 1.0.29-1.el7ev, python-imgbased 1.0.29-1.el7ev, redhat-release-virtualization-host 4.2-7.3.el7, redhat-virtualization-host-image-update-placeholder 4.2-7.3.el7
    fixed: vendor fix RHSA-2018:3470
  • Red Hat Enterprise Linux 6 glusterfs, glusterfs-api, glusterfs-cli, glusterfs-fuse, glusterfs-libs, glusterfs-rdma, +2 more Red Hat Enterprise Linux 7 glusterfs, glusterfs-api, glusterfs-cli, glusterfs-fuse, glusterfs-libs, glusterfs-rdma, +2 more Red Hat Enterprise Linux 8 glusterfs, glusterfs-api, glusterfs-cli, glusterfs-fuse, glusterfs-libs, glusterfs-rdma, +2 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.66% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

  • The Gluster Project glusterfs-server

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.