UBUNTU-CVE-2021-3531

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Source
https://ubuntu.com/security/CVE-2021-3531
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3531.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3531
Upstream
Downstream
Related
Published
2021-05-18T12:15:00Z
Modified
2025-09-08T16:46:44Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:18.04:LTS / ceph

Package

Name
ceph
Purl
pkg:deb/ubuntu/ceph@12.2.13-0ubuntu0.18.04.10?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
12.2.13-0ubuntu0.18.04.10

Affected versions

12.*

12.2.0-0ubuntu1
12.2.1-0ubuntu1
12.2.2-0ubuntu1
12.2.2-0ubuntu2
12.2.4-0ubuntu1
12.2.4-0ubuntu1.1
12.2.7-0ubuntu0.18.04.1
12.2.8-0ubuntu0.18.04.1
12.2.8-0ubuntu0.18.04.2
12.2.11-0ubuntu0.18.04.1
12.2.11-0ubuntu0.18.04.2
12.2.12-0ubuntu0.18.04.1
12.2.12-0ubuntu0.18.04.2
12.2.12-0ubuntu0.18.04.3
12.2.12-0ubuntu0.18.04.4
12.2.12-0ubuntu0.18.04.5
12.2.13-0ubuntu0.18.04.2
12.2.13-0ubuntu0.18.04.3
12.2.13-0ubuntu0.18.04.4
12.2.13-0ubuntu0.18.04.5
12.2.13-0ubuntu0.18.04.6
12.2.13-0ubuntu0.18.04.7
12.2.13-0ubuntu0.18.04.8

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ceph",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-base",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-common",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-fuse",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-mds",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-mgr",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-mon",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-osd",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-resource-agents",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "ceph-test",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libcephfs-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libcephfs-java",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libcephfs-jni",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libcephfs2",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librados-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librados2",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libradosstriper-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "libradosstriper1",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librbd-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librbd1",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librgw-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "librgw2",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python-ceph",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python-cephfs",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python-rados",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python-rbd",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python-rgw",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python3-ceph-argparse",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python3-cephfs",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python3-rados",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python3-rbd",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "python3-rgw",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "rados-objclass-dev",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "radosgw",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "rbd-fuse",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "rbd-mirror",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        },
        {
            "binary_name": "rbd-nbd",
            "binary_version": "12.2.13-0ubuntu0.18.04.10"
        }
    ]
}

Ubuntu:20.04:LTS / ceph

Package

Name
ceph
Purl
pkg:deb/ubuntu/ceph@15.2.12-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
15.2.12-0ubuntu0.20.04.1

Affected versions

14.*

14.2.2-0ubuntu3
14.2.2-0ubuntu4
14.2.4-0ubuntu1
14.2.4-0ubuntu2
14.2.4-0ubuntu3

15.*

15.1.0-0ubuntu2
15.1.0-0ubuntu3
15.1.1-0ubuntu1
15.2.0-0ubuntu1
15.2.0-0ubuntu2
15.2.1-0ubuntu1
15.2.1-0ubuntu2
15.2.3-0ubuntu0.20.04.1
15.2.3-0ubuntu0.20.04.2
15.2.5-0ubuntu0.20.04.1
15.2.7-0ubuntu0.20.04.1
15.2.7-0ubuntu0.20.04.2
15.2.8-0ubuntu0.20.04.1
15.2.11-0ubuntu0.20.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ceph",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-base",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-common",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-fuse",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-immutable-object-cache",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mds",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-cephadm",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-dashboard",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-diskprediction-cloud",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-diskprediction-local",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-k8sevents",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-modules-core",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mgr-rook",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-mon",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-osd",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ceph-resource-agents",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "cephadm",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "cephfs-shell",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libcephfs-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libcephfs-java",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libcephfs-jni",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libcephfs2",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librados-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librados2",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libradospp-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libradosstriper-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libradosstriper1",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librbd-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librbd1",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librgw-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "librgw2",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-ceph",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-ceph-argparse",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-ceph-common",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-cephfs",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-rados",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-rbd",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-rgw",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "rados-objclass-dev",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "radosgw",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "rbd-fuse",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "rbd-mirror",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "rbd-nbd",
            "binary_version": "15.2.12-0ubuntu0.20.04.1"
        }
    ]
}