Auth bypass in Red Hat, Inc. Ceph
CVE-2018-1128
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Red Hat, Inc. Ceph — versions All versions in branches master, mimic, luminous and jewel
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 15.0
- Red Hat Ceph
- Red Hat Ceph Storage — versions 3
- Red Hat Ceph Storage Mon — versions 2, 3
- Red Hat Ceph Storage Osd — versions 2, 3
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2018:2261 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2177 (vendor-advisory, Third Party Advisory)
- github.com/ceph/ceph/commit/5ead97120e07054d80623dada90a5cc764c28468 (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2179 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2274 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4339 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- tracker.ceph.com/issues/24836 (Issue Tracking, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1128?
- CVE-2018-1128 is a high-severity vulnerability in Red Hat, Inc. Ceph, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2018-07-10.
- How severe is CVE-2018-1128?
- High severity. CVSS v3 base score is 7.5 out of 10.