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CVE-2020-10736

Published: 22 June 2020

An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.

Notes

AuthorNote
mdeslaur
introduced in 15.2.0
fixed in 15.2.3-0ubuntu0.20.04.1 in focal-updates, but not yet
in security pocket.

Priority

Medium

Cvss 3 Severity Score

8.0

Score breakdown

Status

Package Release Status
ceph
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Ignored
(end of life)
focal
Released (15.2.7-0ubuntu0.20.04.2)
groovy
Released (15.2.3-0ubuntu1)
trusty Not vulnerable
(code not present)
upstream
Released (15.2.2)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/ceph/ceph/commit/c7e7009a690621aacd4ac2c70c6469f25d692868 (master)
upstream: https://github.com/ceph/ceph/commit/f2cf2ce1bd9a86462510a7a12afa4e528b615df2 (v15.2.2)

Severity score breakdown

Parameter Value
Base score 8.0
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H