Authentication bypass by capture-replay in Red Hat ceph
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 11 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-294.
Summary
It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | ceph | All versions in branches master, mimic, luminous and jewel | — | No fix listed | CNA |
- ceph VendorRed Hat Affected All versions in branches master, mimic, luminous and jewel Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:ceph_storage:3:*:*:*:*:*:*:* | 3 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph_storage_mon:2:*:*:*:*:*:*:* | 2 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph_storage_mon:3:*:*:*:*:*:*:* | 3 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph_storage_osd:2:*:*:*:*:*:*:* | 2 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph_storage_osd:3:*:*:*:*:*:*:* | 3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:* | 10.2.0 – 13.2.1 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:ceph_storage:3:*:*:*:*:*:*:* Versions 3 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph_storage_mon:2:*:*:*:*:*:*:* Versions 2 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph_storage_mon:3:*:*:*:*:*:*:* Versions 3 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph_storage_osd:2:*:*:*:*:*:*:* Versions 2 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph_storage_osd:3:*:*:*:*:*:*:* Versions 3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:* Versions 10.2.0 – 13.2.1 Vulnerable ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2018:2261 Released 2018-07-26 · Red Hat rating ModerateRed Hat Ceph Storage 2.5 security, enhancement, and bug fix update
- 7Client-RHCEPH-2.5-Client-Tools ceph-2:10.2.10-28.el7cp, ceph-ansible-3.0.39-1.el7cp, ceph-base-2:10.2.10-28.el7cp +17
- 7ComputeNode-RHCEPH-2.5-ComputeNode-Tools ceph-2:10.2.10-28.el7cp, ceph-ansible-3.0.39-1.el7cp, ceph-base-2:10.2.10-28.el7cp +17
- 7Server-RHCEPH-2.5-MON ceph-2:10.2.10-28.el7cp, ceph-base-2:10.2.10-28.el7cp, ceph-common-2:10.2.10-28.el7cp +14
- 7Server-RHCEPH-2.5-OSD ceph-2:10.2.10-28.el7cp, ceph-base-2:10.2.10-28.el7cp, ceph-common-2:10.2.10-28.el7cp +14
- 7Server-RHCEPH-2.5-Server-Tools ceph-2:10.2.10-28.el7cp, ceph-ansible-3.0.39-1.el7cp, ceph-base-2:10.2.10-28.el7cp +17
- 7Workstation-RHCEPH-2.5-Workstation-Tools ceph-2:10.2.10-28.el7cp, ceph-ansible-3.0.39-1.el7cp, ceph-base-2:10.2.10-28.el7cp +17
- RHSA-2018:2274 Released 2018-07-26 · Red Hat rating ModerateRed Hat Ceph Storage 2.5 security, enhancement, and bug fix update
- Red Hat Ceph Storage 2 for Ubuntu
- RHSA-2018:2179 Released 2018-07-11 · Red Hat rating ModerateRed Hat Ceph Storage 3.0 security and bug fix update
- Red Hat Ceph Storage 3 for Ubuntu
Show 1 more Red Hat advisories
- RHSA-2018:2177 Released 2018-07-11 · Red Hat rating ModerateRed Hat Ceph Storage 3.0 security and bug fix update
- 7Server-RHCEPH-3.0-MON ceph-2:12.2.4-30.el7cp, ceph-base-2:12.2.4-30.el7cp, ceph-common-2:12.2.4-30.el7cp +19
- 7Server-RHCEPH-3.0-OSD ceph-2:12.2.4-30.el7cp, ceph-base-2:12.2.4-30.el7cp, ceph-common-2:12.2.4-30.el7cp +18
- 7Server-RHCEPH-3.0-Tools ceph-2:12.2.4-30.el7cp, ceph-ansible-3.0.39-1.el7cp, ceph-base-2:12.2.4-30.el7cp +26
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat ceph — RHSA-2018:2177
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-07675 Improper authorization in Red Hat cephPriority MEDIUM 41
- TI-2018-01046 Improper access control in Red Hat cephPriority LOW 33
- Advisory ·
Red Hat ceph — RHSA-2018:2179
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-07675 Improper authorization in Red Hat cephPriority MEDIUM 41
- TI-2018-01046 Improper access control in Red Hat cephPriority LOW 33
Show 3 more groups
- Advisory ·
Red Hat ceph — RHSA-2018:2261
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-07675 Improper authorization in Red Hat cephPriority MEDIUM 41
- TI-2018-01046 Improper access control in Red Hat cephPriority LOW 33
- Advisory ·
Red Hat ceph — RHSA-2018:2274
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-07675 Improper authorization in Red Hat cephPriority MEDIUM 41
- TI-2018-01046 Improper access control in Red Hat cephPriority LOW 33
- Advisory ·
Red Hat ceph — DSA-4339
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-07675 Improper authorization in Red Hat cephPriority MEDIUM 41
- TI-2018-01046 Improper access control in Red Hat cephPriority LOW 33
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 1.3 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
| 7Client-RHCEPH-2.5-Client-Tools | Fixed | RHSA-2018:2261 |
| 7ComputeNode-RHCEPH-2.5-ComputeNode-Tools | Fixed | RHSA-2018:2261 |
| 7Server-RHCEPH-2.5-MON | Fixed | RHSA-2018:2261 |
| 7Server-RHCEPH-2.5-OSD | Fixed | RHSA-2018:2261 |
| 7Server-RHCEPH-2.5-Server-Tools | Fixed | RHSA-2018:2261 |
| 7Server-RHCEPH-3.0-MON | Fixed | RHSA-2018:2177 |
| 7Server-RHCEPH-3.0-OSD | Fixed | RHSA-2018:2177 |
| 7Server-RHCEPH-3.0-Tools | Fixed | RHSA-2018:2177 |
| 7Workstation-RHCEPH-2.5-Workstation-Tools | Fixed | RHSA-2018:2261 |
| Red Hat Ceph Storage 2 for Ubuntu | Fixed | RHSA-2018:2274 |
| Red Hat Ceph Storage 3 for Ubuntu | Fixed | RHSA-2018:2179 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1128
- 2026-10-03 Alias added: GHSA-xw3f-9qfw-v43f
References
Patch 2
Advisory 8
More Red Hat Ceph vulnerabilities
- TI-2024-32120 RGW DoS attack with empty HTTP header in S3 object copy CVSS 3.1HIGH 7.5
- TI-2020-15677 Authentication bypass by capture-replay in ceph CVSS 3.1HIGH 8.8
- TI-2018-05266 In Ceph before 12.2.3 and 13.x through 13.0.1, the rgw_civetweb.cc RGWCivetWeb::init_env… CVSS 3.0HIGH 7.5
- TI-2022-03356 A privilege escalation flaw was found in Ceph. CVSS 3.1HIGH 7.8
- TI-2018-12099 Sensitive information in log files in ceph CVSS 3.0HIGH 7.5
- TI-2016-04329 The handle_command function in mon/Monitor.cc in Ceph allows remote authenticated users… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2018-1128 · CVE Program
- CVE-2018-1128 · NVD
- FIRST EPSS
- GHSA-xw3f-9qfw-v43f · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1128 · Red Hat security data · CC BY 4.0
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