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Fencer Intel
high 8.1

CVE-2018-1088 json

A privilege escalation flaw was found in gluster 3.x snapshot scheduler.

published 8y ago modified 4mo ago also EUVD-2018-11738

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.

Patch / fix

  • glusterfs Debian 14, Debian 13, Debian 12 4.0.2-1

debian advisories DEBIAN-CVE-2018-1088

  • 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-2018-1088

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

  • redhat-virtualization-host RHEL 7 4.2-20180508.0.el7_5
  • imgbased RHEL 7 1.0.16-0.1.el7ev
  • ovirt-node-ng RHEL 7 4.2.0-0.20170814.0.el7
  • python-imgbased RHEL 7 1.0.16-0.1.el7ev
  • ovirt-node-ng-nodectl RHEL 7 4.2.0-0.20170814.0.el7
  • redhat-release-virtualization-host RHEL 7 4.2-3.0.el7
  • redhat-virtualization-host-image-update RHEL 7 4.2-20180508.0.el7_5
  • redhat-virtualization-host-image-update-placeholder RHEL 7 4.2-3.0.el7

red hat advisories RHSA-2018:1524RHSA-2018:1275RHSA-2018:1137RHSA-2018:1136

  • glusterfs openSUSE Leap 15.1 3.12.15-lp151.3.3.1

opensuse advisories openSUSE-SU-2020:0079-1

Is CVE-2018-1088 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-1088 updated cvss 8.3

glusterfs: Privilege escalation via gluster_shared_storage when snapshot scheduling is enabled

  • Red Hat Gluster Storage Server 3.3 on RHEL-6 glusterfs 3.8.4-54.7.el6rhs, glusterfs-api 3.8.4-54.7.el6rhs, glusterfs-cli 3.8.4-54.7.el6rhs, glusterfs-fuse 3.8.4-54.7.el6rhs, glusterfs-libs 3.8.4-54.7.el6rhs, glusterfs-rdma 3.8.4-54.7.el6rhs, +6 more
    fixed: vendor fix RHSA-2018:1137
  • Red Hat Gluster Storage Server 3.3 on RHEL-7 glusterfs 3.8.4-54.6.el7rhgs, glusterfs-api 3.8.4-54.6.el7rhgs, glusterfs-cli 3.8.4-54.6.el7rhgs, glusterfs-fuse 3.8.4-54.6.el7rhgs, glusterfs-libs 3.8.4-54.6.el7rhgs, glusterfs-rdma 3.8.4-54.6.el7rhgs, +7 more
    fixed: vendor fix RHSA-2018:1136
  • Red Hat Storage Native Client for Red Hat Enterprise Linux 6 glusterfs 3.8.4-54.7.el6, glusterfs-api 3.8.4-54.7.el6, glusterfs-cli 3.8.4-54.7.el6, glusterfs-fuse 3.8.4-54.7.el6, glusterfs-libs 3.8.4-54.7.el6, glusterfs-rdma 3.8.4-54.7.el6, +2 more
    fixed: vendor fix RHSA-2018:1137
  • Red Hat Storage Native Client for Red Hat Enterprise Linux 7 glusterfs 3.8.4-54.6.el7, glusterfs-api 3.8.4-54.6.el7, glusterfs-cli 3.8.4-54.6.el7, glusterfs-fuse 3.8.4-54.6.el7, glusterfs-libs 3.8.4-54.6.el7, glusterfs-rdma 3.8.4-54.6.el7, +2 more
    fixed: vendor fix RHSA-2018:1136
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host 4.1-20180426.0.el7_5, redhat-virtualization-host 4.2-20180508.0.el7_5, redhat-virtualization-host-image-update 4.1-20180426.0.el7_5, redhat-virtualization-host-image-update 4.2-20180508.0.el7_5
    fixed: vendor fix RHSA-2018:1275
  • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts glusterfs 3.8.4-54.6.el7, glusterfs-api 3.8.4-54.6.el7, glusterfs-cli 3.8.4-54.6.el7, glusterfs-fuse 3.8.4-54.6.el7, glusterfs-libs 3.8.4-54.6.el7, glusterfs-rdma 3.8.4-54.6.el7, +2 more
    fixed: vendor fix RHSA-2018:1136
  • Red Hat RHEL 7-based RHEV-H for RHEV 4 (build requirements) imgbased 1.0.16-0.1.el7ev, python-imgbased 1.0.16-0.1.el7ev, ovirt-node-ng 4.2.0-0.20170814.0.el7, ovirt-node-ng-nodectl 4.2.0-0.20170814.0.el7, redhat-release-virtualization-host 4.2-3.0.el7, redhat-release-virtualization-host 4.1-11.0.el7, +2 more
    fixed: vendor fix RHSA-2018:1275
  • 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
    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

5.49% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Red Hat, Inc. glusterfs

Classification

Weakness
  • CWE-266 Incorrect Privilege Assignment

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.