CVE-2018-1129

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.

Published: 2018-07-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-1129 is rated Moderate Risk (45.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.33%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-1129

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-13 0.40% 0.33% -0.08%
2 2025-11-21 0.56% 0.40% -0.16%
3 2025-11-18 — 0.56% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1129

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
3.3 2.0 LOW
AV:A/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 6.5 2.9 [email protected]

Weakness enumeration for CVE-2018-1129

OS Trackers for CVE-2018-1129

vendor priority summary link
debian not yet assigned CVE-2018-1129 not yet assigned priority: Debian including 2 source packages (ceph, linux), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2018-1129
redhat medium — https://access.redhat.com/security/cve/CVE-2018-1129
suse high CVE-2018-1129 severity important: SUSE including 465 source package names (ceph, ceph-10.2.11+git.1531487710.3a12911a2e-12.14.2, …), 830 product×package rows across 89 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (89 product lines)): Fixed 645, Known Not Affected 185. https://www.suse.com/security/cve/CVE-2018-1129/
ubuntu medium CVE-2018-1129 medium priority: Ubuntu including 1 source packages (ceph), 19 status rows across 19 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): not-affected 17, ignored 1, released 1. https://ubuntu.com/security/CVE-2018-1129

Affected software / configurations for CVE-2018-1129

Vendor Product Version Raw CPE
redhat ceph_storage 1.3 cpe:2.3:a:redhat:ceph_storage:1.3:*:*:*:*:*:*:*
redhat ceph_storage 3 cpe:2.3:a:redhat:ceph_storage:3:*:*:*:*:*:*:*
redhat ceph_storage_mon 2 cpe:2.3:a:redhat:ceph_storage_mon:2:*:*:*:*:*:*:*
redhat ceph_storage_mon 3 cpe:2.3:a:redhat:ceph_storage_mon:3:*:*:*:*:*:*:*
redhat ceph_storage_osd 2 cpe:2.3:a:redhat:ceph_storage_osd:2:*:*:*:*:*:*:*
redhat ceph_storage_osd 3 cpe:2.3:a:redhat:ceph_storage_osd:3:*:*:*:*:*:*:*
redhat enterprise_linux 7.0 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
ceph ceph 10.2.0 cpe:2.3:a:ceph:ceph:10.2.0:*:*:*:*:*:*:*
ceph ceph 10.2.1 cpe:2.3:a:ceph:ceph:10.2.1:*:*:*:*:*:*:*
ceph ceph 10.2.2 cpe:2.3:a:ceph:ceph:10.2.2:*:*:*:*:*:*:*
ceph ceph 10.2.3 cpe:2.3:a:ceph:ceph:10.2.3:*:*:*:*:*:*:*
ceph ceph 10.2.4 cpe:2.3:a:ceph:ceph:10.2.4:*:*:*:*:*:*:*
ceph ceph 10.2.5 cpe:2.3:a:ceph:ceph:10.2.5:*:*:*:*:*:*:*
ceph ceph 10.2.6 cpe:2.3:a:ceph:ceph:10.2.6:*:*:*:*:*:*:*
ceph ceph 10.2.7 cpe:2.3:a:ceph:ceph:10.2.7:*:*:*:*:*:*:*
ceph ceph 10.2.8 cpe:2.3:a:ceph:ceph:10.2.8:*:*:*:*:*:*:*
ceph ceph 10.2.9 cpe:2.3:a:ceph:ceph:10.2.9:*:*:*:*:*:*:*
ceph ceph 10.2.10 cpe:2.3:a:ceph:ceph:10.2.10:*:*:*:*:*:*:*
ceph ceph 10.2.11 cpe:2.3:a:ceph:ceph:10.2.11:*:*:*:*:*:*:*
ceph ceph 12.2.0 cpe:2.3:a:ceph:ceph:12.2.0:*:*:*:*:*:*:*
ceph ceph 12.2.1 cpe:2.3:a:ceph:ceph:12.2.1:*:*:*:*:*:*:*
ceph ceph 12.2.2 cpe:2.3:a:ceph:ceph:12.2.2:*:*:*:*:*:*:*
ceph ceph 12.2.3 cpe:2.3:a:ceph:ceph:12.2.3:*:*:*:*:*:*:*
ceph ceph 12.2.4 cpe:2.3:a:ceph:ceph:12.2.4:*:*:*:*:*:*:*
ceph ceph 12.2.5 cpe:2.3:a:ceph:ceph:12.2.5:*:*:*:*:*:*:*
ceph ceph 12.2.6 cpe:2.3:a:ceph:ceph:12.2.6:*:*:*:*:*:*:*
ceph ceph 12.2.7 cpe:2.3:a:ceph:ceph:12.2.7:*:*:*:*:*:*:*
ceph ceph 13.2.0 cpe:2.3:a:ceph:ceph:13.2.0:*:*:*:*:*:*:*
ceph ceph 13.2.1 cpe:2.3:a:ceph:ceph:13.2.1:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

References for CVE-2018-1129

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html Third Party Advisory
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
http://tracker.ceph.com/issues/24837 Issue Tracking Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:2177 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2179 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2261 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2274 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1576057 Issue Tracking Patch Third Party Advisory
https://github.com/ceph/ceph/commit/8f396cf35a3826044b089141667a196454c0a587 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html Mailing List Third Party Advisory
https://www.debian.org/security/2018/dsa-4339 Third Party Advisory
cvelogic Threat Intelligence