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CVE-2018-1129

Published: 10 July 2018

A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
ceph
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(12.2.7-0ubuntu0.18.04.1)
cosmic Not vulnerable
(13.2.4+dfsg1-0ubuntu0.18.10.1)
disco Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
eoan Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
focal Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
groovy Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
hirsute Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
impish Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
jammy Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
kinetic Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
lunar Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
mantic Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
noble Not vulnerable
(13.2.4+dfsg1-0ubuntu1)
trusty Needed

upstream
Released (10.2.11,12.2.6)
xenial Not vulnerable
(10.2.11-0ubuntu0.16.04.1)
Patches:
upstream: https://github.com/ceph/ceph/commit/8f396cf35a3826044b089141667a196454c0a587
upstream: https://github.com/ceph/ceph/commit/436b08688a5be238280a6e93de8658c10d72044c
upstream: https://github.com/ceph/ceph/commit/546d15b25eb2af8b27ec509344c1a45387f77a57

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N