CVE-2018-1099

Medium

Description

DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).

SeverityMedium

CVSS5.5

Exploit probability—

Product

Redhat Etcd

PublishedApr 3, 2018

First seenApr 3, 2018

Weakness typeCWE-20Improper input validation

How to fix

Update

go.etcd.io/etcd3.4.0 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/

Affected products

Product	Affected versions	Fixed in
redhat etcd	v ≤ 3.3.1	—
fedoraproject fedora	30	—
go.etcd.io/etcdGo	v < 3.4.0	3.4.0

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