Vulnerability in Apache Tomcat
CVE-2018-8034
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.213 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.213 · newest: 0.213 · change: 0.000
Affected products
- Apache Tomcat — versions 8.0.0, 9.0.0
- Apache Software Foundation Tomcat — versions 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52
- Oracle Retail Order Broker — versions 5.1, 5.2, 15.0
- Canonical Ubuntu Linux — versions 14.04, 16.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3723-1/ (vendor-advisory, Third Party Advisory)
- mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/<20180722091057.G… (mailing-list)
- access.redhat.com/errata/RHSA-2019:0451 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00047.html (mailing-list, Third Party Advisory)
- www.debian.org/security/2018/dsa-4281 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1041374 (VDB Entry, Third Party Advisory, vdb-entry)
- security.netapp.com/advisory/ntap-20180817-0001/ (Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0131 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0130 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-8034?
- CVE-2018-8034 is a high-severity vulnerability in Apache Tomcat, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2018-08-01.
- How severe is CVE-2018-8034?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-8034 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.