Improper Access Control Affecting ceph-osd package, versions <2:10.2.10-28.el7cp
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RHEL7-CEPHOSD-4435131
- published26 Jul 2021
- disclosed9 Jul 2018
Introduced: 9 Jul 2018
CVE-2018-1129 (opens in a new tab)How to fix?
Upgrade RHEL:7 ceph-osd to version 2:10.2.10-28.el7cp or higher.
This issue was patched in RHSA-2018:2261.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ceph-osd package and not the ceph-osd package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1576057
- https://github.com/ceph/ceph/commit/8f396cf35a3826044b089141667a196454c0a587
- http://tracker.ceph.com/issues/24837
- https://access.redhat.com/security/cve/CVE-2018-1129
- https://www.debian.org/security/2018/dsa-4339
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://access.redhat.com/errata/RHSA-2018:2261
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html