CVE-2018-8034

HIGH

7.5

CVSS Score

Published: August 1, 2018 at 06:00 PM UTC

Updated: June 17, 2026 at 02:04 AM UTC

4 products affected across 4 vendorsDebian LinuxUbuntu LinuxTomcat

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Severity

HIGH7.5

Exploit prediction

EPSS 21%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tomcat · Apache

95%

7.0.35 ≤ v ≤ 7.0.888.0.0 ≤ v ≤ 8.0.528.0.0.RC1 ≤ v ≤ 8.0.528.5.0 ≤ v ≤ 8.5.319.0.0.M1 ≤ v ≤ 9.0.99.0.1 ≤ v ≤ 9.0.98.0.0 rc1 8.0.0 rc10 8.0.0 rc2 8.0.0 rc3 8.0.0 rc4 8.0.0 rc5 8.0.0 rc6 8.0.0 rc7 8.0.0 rc8 8.0.0 rc9 9.0.0 milestone1 9.0.0 milestone10 9.0.0 milestone11 9.0.0 milestone12 9.0.0 milestone13 9.0.0 milestone14 9.0.0 milestone15 9.0.0 milestone16 9.0.0 milestone17 9.0.0 milestone18 9.0.0 milestone19 9.0.0 milestone2 9.0.0 milestone20 9.0.0 milestone21 9.0.0 milestone22 9.0.0 milestone23 9.0.0 milestone24 9.0.0 milestone25 9.0.0 milestone26 9.0.0 milestone27 9.0.0 milestone3 9.0.0 milestone4 9.0.0 milestone5 9.0.0 milestone6 9.0.0 milestone7 9.0.0 milestone8 9.0.0 milestone9

Ubuntu Linux · Canonicalrubygems

95%

14.04 16.04

Debian Linux · Debiandrupal

95%

8.0 9.0

Retail Order Broker · Oracle

95%

15.0 5.1 5.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (41)

Mailing Listx_refsource_MLIST

Source: [email protected]

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

x_refsource_CONFIRMPatchThird Party Advisory

Source: [email protected]

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

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

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

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

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

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

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

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

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

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

https://access.redhat.com/errata/RHSA-2019:0450

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

https://access.redhat.com/errata/RHSA-2019:0451

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-295

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