CVE-2018-1099

Public Exploit

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).

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com
Affected: Red Hat, Inc. etcd
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1552717 issue tracking patch vendor advisory
https://github.com/coreos/etcd/issues/9353 third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-1099?
CVE-2018-1099 has been scored as a medium severity vulnerability.
How to fix CVE-2018-1099?
To fix CVE-2018-1099, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1099 being actively exploited in the wild?
It is possible that CVE-2018-1099 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-1099?
CVE-2018-1099 affects Red Hat, Inc. etcd.
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