CVE-2018-1099

Impact:
Moderate
Public Date:
2018-03-07
CWE:
CWE-284
Bugzilla:
1552717: CVE-2018-1099 etcd: DNS rebinding vulnerability in etcd server
It has been discovered that etcd does not correctly restrict access to resources based on hostname. A remote attacker could perform a DNS-rebinding attack and trick the browser into sending requests to an etcd server on an internal network, bypassing the Same-Origin Policy.

Find out more about CVE-2018-1099 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat OpenShift Enterprise 3 atomic-openshift Affected
Red Hat Gluster Storage 3 etcd Affected
Red Hat Enterprise Linux 7 etcd3 Will not fix
Red Hat Enterprise Linux 7 etcd Affected

Mitigation

Configure and enable authentication on the etcd server or secure your client connection via HTTPS.

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