A flaw was found in Red Hat Ceph before 0.94.9-8.
A flaw was found in Red Hat Ceph before 0.94.9-8. The way Ceph Object Gateway handles POST object requests permits an authenticated attacker to launch a denial of service attack by sending null or specially crafted POST object requests.
- Published
- Jul 31, 2018
- Updated
- Jun 16, 2026
- EPSS
- 2.3% · 83th percentile
- CWE
- CWE-476
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.3%
CNA vs NVD score
- NVD
- 6.5
- CNA · redhat
- 6.5
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| redhat | ceph | cpe:2.3:a:redhat:ceph |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- redhat cephbefore 0.94.3.9-8
- redhat enterprise linux desktop7.0
- redhat enterprise linux server7.0
- redhat enterprise linux workstation7.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
Red Hat Ceph
- 0.94.9-8affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | ceph | before 10.2.5-1 | 10.2.5-1 |
| Red Hat:ceph_storage:1.3::el7 | ceph | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-common | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-debuginfo | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-mon | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-osd | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-radosgw | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-selinux | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | ceph-test | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | librados2 | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | librados2-devel | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | librbd1 | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | librbd1-devel | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | python-rados | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:1.3::el7 | python-rbd | before 1:0.94.9-8.el7cp | 1:0.94.9-8.el7cp |
| Red Hat:ceph_storage:2::el7 | calamari-server | before 0:1.4.9-1.el7cp | 0:1.4.9-1.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph | before 1:10.2.3-13.el7cp | 1:10.2.3-13.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-base | before 1:10.2.3-13.el7cp | 1:10.2.3-13.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-common | before 1:10.2.3-13.el7cp | 1:10.2.3-13.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-debuginfo | before 1:10.2.3-13.el7cp | 1:10.2.3-13.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-deploy | before 0:1.5.36-20.el7cp | 0:1.5.36-20.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-fuse | before 1:10.2.3-13.el7cp | 1:10.2.3-13.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-iscsi-config | before 0:1.5-1.el7cp | 0:1.5-1.el7cp |
| Red Hat:ceph_storage:2::el7 | ceph-iscsi-tools | before 0:1.1-1.el7cp | 0:1.1-1.el7cp |
+25
Same product
redhat: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-25660A flaw was found in the Cephx authentication protocol in versions before 15.2.6 and before 14.2.14, where it does not verify Ceph clients co35Monitor
- CVE-2022-3650A privilege escalation flaw was found in Ceph.31Monitor
- CVE-2018-7262In Ceph before 12.2.3 and 13.x through 13.0.1, the rgw_civetweb.cc RGWCivetWeb::init_env function in radosgw doesn't handle malformed HTTP h31Monitor
- CVE-2024-47866RGW DoS attack with empty HTTP header in S3 object copy30Monitor
- CVE-2018-16889Ceph does not properly sanitize encryption keys in debug logging for v4 auth.30Monitor
- CVE-2020-27781User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation.28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:ceph | 10.2.5-1 · Debian:12 | Package registry (OSV) |
| red hat:ceph | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-base | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-common | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-debuginfo | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-deploy | 0:1.5.36-20.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-fuse | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-iscsi-config | 0:1.5-1.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-iscsi-tools | 0:1.1-1.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-mds | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-radosgw | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:ceph-selinux | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| red hat:libcephfs1 | 1:10.2.3-13.el7cp · Red Hat:ceph_storage:2::el7 | Package registry (OSV) |
| suse:ceph | 10.2.5+git.1485186288.4e3c6c4-12.2 · SUSE:Enterprise Storage 3 | Package registry (OSV) |
| suse:ceph-test | 10.2.5+git.1485186288.4e3c6c4-12.2 · SUSE:Enterprise Storage 3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-476 · NULL Pointer DereferenceCVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- rhn.redhat.com/errata/RHSA-2016-2815.html
- rhn.redhat.com/errata/RHSA-2016-2816.html
- rhn.redhat.com/errata/RHSA-2016-2847.html
- rhn.redhat.com/errata/RHSA-2016-2848.html
- tracker.ceph.com/issues/17635
- www.securityfocus.com/bid/94488
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8626
Vendor advisories and official records. Exploit/PoC links are deliberately left out.