glusterfs: features/locks translator passes an user-controlled string to snprintf without a proper format string resulting in a denial of service
Published Oct 31, 2018
6.5
MEDIUMCVSS 3.1
EPSS 2.66%
Description
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.
Affected products
-
- Version 3.8.4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Gluster Project | Glusterfs-Server | n/a |
|
Configuration 2
- 8.0
- 9.0
Configuration 3
- 4.0
- 4.0
Running on/with
- 7.0
Configuration 4
- 6.0
- 7.0
No data.
Native Client for RHEL 6 for Red Hat Storage
glusterfs-0:3.12.2-25.el6
Fixed · RHSA-2018:3431
Native Client for RHEL 7 for Red Hat Storage
glusterfs-0:3.12.2-25.el7
Fixed · RHSA-2018:3432
Red Hat Gluster Storage 3.4 for RHEL 6
glusterfs-0:3.12.2-25.el6rhs
Fixed · RHSA-2018:3431
Red Hat Gluster Storage 3.4 for RHEL 6
redhat-storage-server-0:3.4.1.0-1.el6rhs
Fixed · RHSA-2018:3431
Red Hat Gluster Storage 3.4 for RHEL 7
glusterfs-0:3.12.2-25.el7rhgs
Fixed · RHSA-2018:3432
Red Hat Gluster Storage 3.4 for RHEL 7
redhat-storage-server-0:3.4.1.0-1.el7rhgs
Fixed · RHSA-2018:3432
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
glusterfs-0:3.12.2-25.el7
Fixed · RHSA-2018:3432
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
imgbased-0:1.0.29-1.el7ev
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-release-virtualization-host-0:4.2-7.3.el7
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-virtualization-host-0:4.2-20181026.0.el7_6
Fixed · RHSA-2018:3470
Red Hat Enterprise Linux 6
glusterfs
Not affected
Red Hat Enterprise Linux 7
glusterfs
Not affected
Red Hat Enterprise Linux 8
glusterfs
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Native Client for RHEL 6 for Red Hat Storage | glusterfs-0:3.12.2-25.el6 | Fixed | RHSA-2018:3431 |
| Native Client for RHEL 7 for Red Hat Storage | glusterfs-0:3.12.2-25.el7 | Fixed | RHSA-2018:3432 |
| Red Hat Gluster Storage 3.4 for RHEL 6 | glusterfs-0:3.12.2-25.el6rhs | Fixed | RHSA-2018:3431 |
| Red Hat Gluster Storage 3.4 for RHEL 6 | redhat-storage-server-0:3.4.1.0-1.el6rhs | Fixed | RHSA-2018:3431 |
| Red Hat Gluster Storage 3.4 for RHEL 7 | glusterfs-0:3.12.2-25.el7rhgs | Fixed | RHSA-2018:3432 |
| Red Hat Gluster Storage 3.4 for RHEL 7 | redhat-storage-server-0:3.4.1.0-1.el7rhgs | Fixed | RHSA-2018:3432 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | glusterfs-0:3.12.2-25.el7 | Fixed | RHSA-2018:3432 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | imgbased-0:1.0.29-1.el7ev | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-release-virtualization-host-0:4.2-7.3.el7 | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-virtualization-host-0:4.2-20181026.0.el7_6 | Fixed | RHSA-2018:3470 |
| Red Hat Enterprise Linux 6 | glusterfs | Not affected | n/a |
| Red Hat Enterprise Linux 7 | glusterfs | Not affected | n/a |
| Red Hat Enterprise Linux 8 | glusterfs | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect Red Hat Enterprise Linux 6 and 7 as the flaw is present in glusterfs-server, which is not shipped there. This flaw affects glusterfs versions included in Red Hat Virtualization 4 Hypervisor. However, in recommended configurations, the vulnerability is only exposed to hypervisor administrators and can not be exploited from virtual machines or other hosts on the network.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.66% (0.02655) | 85.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.66% (0.02655) | 83.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.57% (0.02573) | 84.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.78% (0.00779) | 82.07th | v3 (v2023.03.01) |
| Jun 19, 2024 | 0.76% (0.00761) | 81.21th | v3 (v2023.03.01) |
| Mar 23, 2024 | 0.54% (0.00537) | 76.74th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00379) | 72.15th | v3 (v2023.03.01) |
| Oct 25, 2023 | 0.38% (0.00379) | 69.83th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.29% (0.00293) | 65.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00530) | 73.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.58% (0.02580) | 55.23th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.26% (0.02262) | 0.00th | v1 |
References (11)
- https://access.redhat.com/errata/RHSA-2018:3431 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3432 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3470 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-14661 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1636880 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14661 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00003.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14661
- https://security.gentoo.org/glsa/201904-06 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14661
Change history (0)
No recorded changes yet.