CVE-2018-1129: ceph Improper Access Control
Vulnerability summary
CVE-2018-1129 is a medium (CVSS 6.5) Improper Access Control vulnerability in ceph. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.
Not severe (CVSS 6.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 14Timeline
- 10-07-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
1.90%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.90% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat7 products
- ceph_storage1.3 | 3
- ceph_storage_mon2 | 3
- ceph_storage_osd2 | 3
- enterprise_linuxEOL7.0
- enterprise_linux_desktop7.0
Debian3 products
- ceph< 12.2.8+dfsg1-1
- linux< 4.19.9-1
- debian_linuxEOL8.0 | 9.0
Ceph1 product
- cephEOL10.2.0 | 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
Opensuse1 product
- leapEOL15.0
Red hat, inc.1 product
- cephall versions in branches master, mimic, luminous and jewel
Ubuntu1 product
- cephAll versions (No fix recorded)
6 vendors · 14 products
References
15 links- bugzilla.redhat.com/show_bug.cgi?id=1576057X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- github.com/ceph/ceph/commit/8f396cf35a3826044b089141667a196454c0a587X Refsource CONFIRMPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
