CVE-2020-27839

Name	CVE-2020-27839
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	985670

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ceph (PTS)	buster	12.2.11+dfsg1-2.1	vulnerable
	bullseye	14.2.21-1	fixed
	bookworm, sid	16.2.10+ds-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ceph	source	stretch	(not affected)
ceph	source	(unstable)	14.2.18-1			985670

Notes

[buster] - ceph <no-dsa> (Minor issue)
[stretch] - ceph <not-affected> (dashboard introduced in 12.1.0)
https://tracker.ceph.com/issues/44591
https://github.com/ceph/ceph/pull/38259
https://github.com/ceph/ceph/commit/23f2604d6f9ac16779b4ac43aab6e4e434f2e8ec
https://github.com/ceph/ceph/commit/843b2e9cd4cb996165d1818ebff125f1414f90c5 (nautilus)