CVE-2018-1128 Information

Description

It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service. Ceph branches master mimic luminous and jewel are believed to be vulnerable.

CVSS Vector

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html http://tracker.ceph.com/issues/24836 https://access.redhat.com/errata/RHSA-2018:2177 https://access.redhat.com/errata/RHSA-2018:2179 https://access.redhat.com/errata/RHSA-2018:2261 https://access.redhat.com/errata/RHSA-2018:2274 https://bugzilla.redhat.com/show_bug.cgi?id=1575866 https://github.com/ceph/ceph/commit/5ead97120e07054d80623dada90a5cc764c28468 https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html https://www.debian.org/security/2018/dsa-4339

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5