UBUNTU-CVE-2020-27839

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Source
https://ubuntu.com/security/CVE-2020-27839
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27839.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27839
Upstream
Downstream
Related
Published
2021-05-26T22:15:00Z
Modified
2025-09-08T16:46:28Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authentication is stored by the frontend application in the browser’s localStorage which is potentially vulnerable to attackers via XSS attacks. The highest threat from this vulnerability is to data confidentiality and integrity.

References

Affected packages

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"
        }
    ]
}