CVE-2018-8020

2018-08-0104:23:38

redhat.com

access.redhat.com

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.007 Low

EPSS

Percentile

77.4%

JSON

When using pre-produced responses from an OCSP responder, Tomcat Native did not correctly validate the status of certificates. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using mutual TLS.

References

bugzilla.redhat.com/show_bug.cgi?id=1581569

www.cve.org/CVERecord?id=CVE-2018-8020 https://nvd.nist.gov/vuln/detail/CVE-2018-8020 mail-archives.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180721095943.GA24320%40minotaur.apache.org%3E http://tomcat.apache.org/security-native.html#Fixed_in_Apache_Tomcat_Native_Connector_1.2.17