ceph: Unauthenticated malformed HTTP requests handled by rgw_civetweb.cc:RGW::init_env() can lead to denial of service
Published Mar 19, 2018
7.5
HIGHCVSS 3.0
EPSS 2.87%
Description
In 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 headers properly, allowing for denial of service.
Affected products
No data.
No data.
Red Hat Ceph Storage 3 for Ubuntu
n/a
Fixed · RHSA-2018:0548
Red Hat Ceph Storage 3.0
ceph-2:12.2.1-46.el7cp
Fixed · RHSA-2018:0546
Red Hat Ceph Storage 1.3
ceph
Not affected
Red Hat Ceph Storage 2
ceph
Not affected
Red Hat Enterprise Linux 7
ceph-common
Not affected
Red Hat Enterprise Linux 8
ceph
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 3 for Ubuntu | n/a | Fixed | RHSA-2018:0548 |
| Red Hat Ceph Storage 3.0 | ceph-2:12.2.1-46.el7cp | Fixed | RHSA-2018:0546 |
| Red Hat Ceph Storage 1.3 | ceph | Not affected | n/a |
| Red Hat Ceph Storage 2 | ceph | Not affected | n/a |
| Red Hat Enterprise Linux 7 | ceph-common | Not affected | n/a |
| Red Hat Enterprise Linux 8 | ceph | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.87% (0.02869) | 86.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.97% (0.02970) | 85.42th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.39% (0.01389) | 78.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.62% (0.03615) | 79.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.09% (0.01092) | 76.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00572) | 78.64th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.57% (0.00572) | 77.23th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.57% (0.00572) | 75.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00407) | 69.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.92% (0.01917) | 48.24th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.92% (0.01917) | 0.00th | v1 |
References (10)
- http://tracker.ceph.com/issues/23039 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0546 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0548 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-7262 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1546610 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1546611 x_refsource_CONFIRMIssue Tracking
- https://github.com/ceph/ceph/pull/20488 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74VI6EPZ6LD2O4JJXJBTYQ4U4VUO2ZDO/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-7262
- https://www.cve.org/CVERecord?id=CVE-2018-7262
| Link | Providers | Tags |
|---|---|---|
| http://tracker.ceph.com/issues/23039 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://access.redhat.com/errata/RHSA-2018:0546 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2018:0548 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2018-7262 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1546610 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1546611 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/ceph/ceph/pull/20488 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74VI6EPZ6LD2O4JJXJBTYQ4U4VUO2ZDO/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-7262 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-7262 |
Change history (0)
No recorded changes yet.