CVE-2018-8034: The host name verification when using TLS with the WebSocket client was missing

High severity · published Aug 1, 2018

CVE-2018-8034

The host name verification when using TLS with the WebSocket client was missing

7.5

CVSS

21%

EPSS

On KEV

Description

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)21.0% · higher than 98% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Tomcat · Apache

9.0.0.M1 to 9.0.9; 8.5.0 to 8.5.31; 8.0.0.RC1 to 8.0.52; 7.0.35 to 7.0.88 · source: vendor, NVD

Debian Linux · Debian

8.0; 9.0 · source: NVD

Retail Order Broker · Oracle

5.1; 5.2; 15.0 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04 · source: NVD

Affected product

Tomcat

Apache

All Tomcat CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-8034

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-8034

mail-archives.us.apache.org

http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722091057.GA70283%40minotaur.apache.org%3E

Patch

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

Third Party Advisory

http://www.securityfocus.com/bid/104895

Third Party Advisory

http://www.securitytracker.com/id/1041374

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0130

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0131