---
cve: "CVE-2018-8034"
severity: "HIGH"
cvss: 7.5
epss: "21.3%"
vendor: "Apache Software Foundation"
kev: false
exploited: false
published: "2018-08-01 18:29:00"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T23:55:03+02:00"
---

# CVE-2018-8034

> 7.5 HIGH

## Beschreibung

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-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://usn.ubuntu.com/3723-1/>
- <http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722091057.GA70283%40minotaur.apache.org%3E>
- <https://access.redhat.com/errata/RHSA-2019:0451>
- <https://lists.debian.org/debian-lts-announce/2018/07/msg00047.html>
- <https://www.debian.org/security/2018/dsa-4281>
- <http://www.securitytracker.com/id/1041374>
- <https://security.netapp.com/advisory/ntap-20180817-0001/>
- <https://access.redhat.com/errata/RHSA-2019:0131>
- <http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html>
- <https://access.redhat.com/errata/RHSA-2019:0130>
- <https://access.redhat.com/errata/RHSA-2019:0450>
- <https://lists.debian.org/debian-lts-announce/2018/09/msg00001.html>
- <http://www.securityfocus.com/bid/104895>
- <https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E>
- <https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-8034) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_