CVE-2018-1129
MEDIUM severity · CVSS 6.5 · Improper access control
6.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=1576057 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=1576057Patch
- http://tracker.ceph.com/issues/24837Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.htmlAdvisory
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
- https://access.redhat.com/errata/RHSA-2018:2177Advisory
- https://access.redhat.com/errata/RHSA-2018:2179Advisory
- https://access.redhat.com/errata/RHSA-2018:2261Advisory
- https://access.redhat.com/errata/RHSA-2018:2274Advisory