CVE-2018-16846
It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.
02 Description
It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.9% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-01-15 18:00Z7 YR AGO
- Last updated
- 2024-08-05 10:32Z2 YR AGO
- Reserved
- 2018-09-11
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.1
- Document digest
- d2c9a5a3defecf161fbacfaa51bc416bf612821c4dbbc03e5e2a55765bff6fdb
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20190301 [SECURITY] [DLA 1696-1] ceph security updatehttps://lists.debian.org/debian-lts-announce/2019/03/msg00002.html
- lists.opensuse.orgopenSUSE-SU-2019:1284http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html
- usn.ubuntu.comUSN-4035-1https://usn.ubuntu.com/4035-1/
- access.redhat.comRHSA-2019:2538https://access.redhat.com/errata/RHSA-2019:2538
- access.redhat.comRHSA-2019:2541https://access.redhat.com/errata/RHSA-2019:2541
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846
- ceph.comhttps://ceph.com/releases/13-2-4-mimic-released/
- lists.debian.org[debian-lts-announce] 20210810 [SECURITY] [DLA 2735-1] ceph security updatehttps://lists.debian.org/debian-lts-announce/2021/08/msg00013.html
07 Fixed in
Debian 12
- ceph Fixed in 12.2.11+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ceph Fixed in 12.2.11+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ceph Fixed in 12.2.11+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- ceph Fixed in 10.2.11-0ubuntu0.16.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- ceph Fixed in 12.2.11-0ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- ceph No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.