ceph: cephx uses weak signatures
Published Jul 10, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.90%
Description
A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.
Affected products
-
- Version all versions in branches master, mimic, luminous and jewelStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Red Hat, Inc. | Ceph | n/a |
|
Configuration 1
- 1.3
- 3
- 2
- 3
- 2
- 3
- 7.0
- 7.0
- 7.0
- 7.0
Configuration 2
- 10.2.0
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 10.2.5
- 10.2.6
- 10.2.7
- 10.2.8
- 10.2.9
- 10.2.10
- 10.2.11
- 12.2.0
- 12.2.1
- 12.2.2
- 12.2.3
- 12.2.4
- 12.2.5
- 12.2.6
- 12.2.7
- 13.2.0
- 13.2.1
Configuration 3
- 8.0
- 9.0
No data.
Red Hat Ceph Storage 2 for Ubuntu
ceph
Fixed · RHSA-2018:2274
Red Hat Ceph Storage 2.5
ceph-2:10.2.10-28.el7cp
Fixed · RHSA-2018:2261
Red Hat Ceph Storage 2.5
ceph-ansible-0:3.0.39-1.el7cp
Fixed · RHSA-2018:2261
Red Hat Ceph Storage 3 for Ubuntu
ceph
Fixed · RHSA-2018:2179
Red Hat Ceph Storage 3.0
ceph-2:12.2.4-30.el7cp
Fixed · RHSA-2018:2177
Red Hat Ceph Storage 3.0
ceph-ansible-0:3.0.39-1.el7cp
Fixed · RHSA-2018:2177
Red Hat Ceph Storage 3.0
cephmetrics-0:1.0.1-1.el7cp
Fixed · RHSA-2018:2177
Red Hat Ceph Storage 3.0
nfs-ganesha-0:2.5.5-6.el7cp
Fixed · RHSA-2018:2177
Red Hat Ceph Storage 1.3
ceph
Will not fix
Red Hat Enterprise Linux 7
ceph-common
Will not fix
Red Hat Enterprise Linux 8
ceph
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 2 for Ubuntu | ceph | Fixed | RHSA-2018:2274 |
| Red Hat Ceph Storage 2.5 | ceph-2:10.2.10-28.el7cp | Fixed | RHSA-2018:2261 |
| Red Hat Ceph Storage 2.5 | ceph-ansible-0:3.0.39-1.el7cp | Fixed | RHSA-2018:2261 |
| Red Hat Ceph Storage 3 for Ubuntu | ceph | Fixed | RHSA-2018:2179 |
| Red Hat Ceph Storage 3.0 | ceph-2:12.2.4-30.el7cp | Fixed | RHSA-2018:2177 |
| Red Hat Ceph Storage 3.0 | ceph-ansible-0:3.0.39-1.el7cp | Fixed | RHSA-2018:2177 |
| Red Hat Ceph Storage 3.0 | cephmetrics-0:1.0.1-1.el7cp | Fixed | RHSA-2018:2177 |
| Red Hat Ceph Storage 3.0 | nfs-ganesha-0:2.5.5-6.el7cp | Fixed | RHSA-2018:2177 |
| Red Hat Ceph Storage 1.3 | ceph | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | ceph-common | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | ceph | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
AV:A/AC:L/Au:N/C:N/I:P/A:N
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 1, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.90% (0.01902) | 78.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.90% (0.01902) | 76.93th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.26% (0.00260) | 46.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.07% (0.02067) | 73.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.26% (0.00260) | 47.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00185) | 57.05th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.18% (0.00185) | 55.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00145) | 48.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html x_refsource_MISC
- http://tracker.ceph.com/issues/24837 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://access.redhat.com/errata/RHSA-2018:2177 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2179 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2261 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2274 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-1129 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1576057 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/ceph/ceph/commit/8f396cf35a3826044b089141667a196454c0a587 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1129
- https://www.cve.org/CVERecord?id=CVE-2018-1129
- https://www.debian.org/security/2018/dsa-4339 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.