Improper input validation in ceph
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 3 fixed, 6 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-617.
Summary
A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.
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 |
|---|---|---|---|---|---|
| — | ceph | ceph 14.2.21 | — | No fix listed | CNA |
- ceph Vendor— Affected ceph 14.2.21 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:* | before 14.2.21 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
- cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:* Versions before 14.2.21 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2022:1174 Released 2022-04-04 · Red Hat rating ModerateRed Hat Ceph Storage 5.1 Security, Enhancement, and Bug Fix update
- Red Hat Ceph Storage 5.1 MON ceph-2:16.2.7-98.el8cp, ceph-base-2:16.2.7-98.el8cp, ceph-common-2:16.2.7-98.el8cp +30
- Red Hat Ceph Storage 5.1 OSD ceph-2:16.2.7-98.el8cp, ceph-base-2:16.2.7-98.el8cp, ceph-common-2:16.2.7-98.el8cp +20
- Red Hat Ceph Storage 5.1 Tools ceph-2:16.2.7-98.el8cp, ceph-base-2:16.2.7-98.el8cp, ceph-common-2:16.2.7-98.el8cp +28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
ceph — FEDORA-2021-6e540b85b9
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-02483 Improper input validation in cephPriority LOW 32
- Advisory ·
ceph — FEDORA-2021-ec414c5e18
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-02483 Improper input validation in cephPriority LOW 32
Show 1 more group
- Advisory ·
ceph — FEDORA-2021-1bf13db941
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-02483 Improper input validation in cephPriority LOW 32
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 3 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 4 | Affected | No fix yet |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
| Red Hat Openshift Container Storage 4 | Affected | No fix planned: Will not fix |
| Red Hat Ceph Storage 5.1 MON | Fixed | RHSA-2022:1174 |
| Red Hat Ceph Storage 5.1 OSD | Fixed | RHSA-2022:1174 |
| Red Hat Ceph Storage 5.1 Tools | Fixed | RHSA-2022:1174 |
Not affected: 4 products
- Red Hat Ceph Storage 5.1 MON
- Red Hat Ceph Storage 5.1 Tools
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3531
- 2026-10-03 Alias added: GHSA-wc6g-g56r-jp2f
References
Patch 3
Sources
- CVE-2021-3531 · CVE Program
- CVE-2021-3531 · NVD
- FIRST EPSS
- GHSA-wc6g-g56r-jp2f · GitHub Advisory Database · CC BY 4.0
- CVE-2021-3531 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences