CVE-2018-8034

tomcat: Host name verification missing in WebSocket client

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

No hay verificación del nombre del host al emplear TLS con el cliente WebSocket. Ahora está habilitado por defecto. Versiones afectadas: Apache Tomcat de la versión 9.0.0.M1 a la 9.0.9, 8.5.0 a la 8.5.31, 8.0.0.RC1 a la 8.0.52 y de la versión 7.0.35 a la 7.0.88.

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector, JBoss HTTP Connector, Hibernate, and the Tomcat Native library. This release of Red Hat JBoss Web Server 3.1 Service Pack 5 serves as a replacement for Red Hat JBoss Web Server 3.1, and includes bug fixes, which are documented in the Release Notes document linked to in the References. Issues addressed include open redirection and host name verification vulnerabilities.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2018-03-09 CVE Reserved
2018-07-25 CVE Published
2024-10-21 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-295: Improper Certificate Validation

CAPEC

References (43)

URL	Tag	Source
http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722091057.GA70283%40minotaur.apache.org%3E	Mailing List
http://www.securityfocus.com/bid/104895	Third Party Advisory
http://www.securitytracker.com/id/1041374	Third Party Advisory
https://lists.apache.org/thread.html/1dd0a59c1295cc08ce4c9e7edae5ad2268acc9ba55adcefa0532e5ba%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/ac51944aef91dd5006b8510b0bef337adaccfe962fb90e7af9c22db4%40%3Cissues.activemq.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/e85e83e9954f169bbb77b44baae5a33d8de878df557bb32b7f793661%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00047.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00001.html	Mailing List
https://security.netapp.com/advisory/ntap-20180817-0001	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html	X_refsource_misc
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html	X_refsource_misc
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html	2023-12-08
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	2023-12-08

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:0130	2023-12-08
https://access.redhat.com/errata/RHSA-2019:0131	2023-12-08
https://access.redhat.com/errata/RHSA-2019:0450	2023-12-08
https://access.redhat.com/errata/RHSA-2019:0451	2023-12-08
https://access.redhat.com/errata/RHSA-2019:1159	2023-12-08
https://access.redhat.com/errata/RHSA-2019:1160	2023-12-08
https://access.redhat.com/errata/RHSA-2019:1161	2023-12-08
https://access.redhat.com/errata/RHSA-2019:1162	2023-12-08
https://access.redhat.com/errata/RHSA-2019:1529	2023-12-08
https://access.redhat.com/errata/RHSA-2019:2205	2023-12-08
https://access.redhat.com/errata/RHSA-2019:3892	2023-12-08
https://usn.ubuntu.com/3723-1	2023-12-08
https://www.debian.org/security/2018/dsa-4281	2023-12-08
https://access.redhat.com/security/cve/CVE-2018-8034	2019-11-14
https://bugzilla.redhat.com/show_bug.cgi?id=1607580	2019-11-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 7.0.35 <= 7.0.88 Search vendor "Apache" for product "Tomcat" and version " >= 7.0.35 <= 7.0.88"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 8.0.0 <= 8.0.52 Search vendor "Apache" for product "Tomcat" and version " >= 8.0.0 <= 8.0.52"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 8.5.0 <= 8.5.31 Search vendor "Apache" for product "Tomcat" and version " >= 8.5.0 <= 8.5.31"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 9.0.1 <= 9.0.9 Search vendor "Apache" for product "Tomcat" and version " >= 9.0.1 <= 9.0.9"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc1		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc10		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc2		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc3		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc4		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc5		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc6		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc7		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc8		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				8.0.0 Search vendor "Apache" for product "Tomcat" and version "8.0.0"		rc9		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone1		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone10		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone11		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone12		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone13		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone14		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone15		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone16		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone17		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone18		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone19		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone2		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone20		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone21		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone22		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone23		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone24		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone25		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone26		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone27		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone3		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone4		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone5		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone6		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone7		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone8		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone9		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Order Broker Search vendor "Oracle" for product "Retail Order Broker"				5.1 Search vendor "Oracle" for product "Retail Order Broker" and version "5.1"		-		Affected
Oracle Search vendor "Oracle"		Retail Order Broker Search vendor "Oracle" for product "Retail Order Broker"				5.2 Search vendor "Oracle" for product "Retail Order Broker" and version "5.2"		-		Affected
Oracle Search vendor "Oracle"		Retail Order Broker Search vendor "Oracle" for product "Retail Order Broker"				15.0 Search vendor "Oracle" for product "Retail Order Broker" and version "15.0"		-		Affected