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Bug 1581569 - (CVE-2018-8020) CVE-2018-8020 tomcat-native: Mishandled OCSP responses can allow clients to authenticate with revoked certificates
CVE-2018-8020 tomcat-native: Mishandled OCSP responses can allow clients to a...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20180721,repo...
: Security
Depends On: 1585841 1585842 1610613 1610614
Blocks: 1579038
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Reported: 2018-05-23 02:16 EDT by Sam Fowler
Modified: 2018-10-19 17:49 EDT (History)
34 users (show)

See Also:
Fixed In Version: tomcat-native 1.2.17
Doc Type: If docs needed, set a value
Doc Text:
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.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2469 None None None 2018-08-16 11:01 EDT
Red Hat Product Errata RHSA-2018:2470 None None None 2018-08-16 10:50 EDT

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Description Sam Fowler 2018-05-23 02:16:44 EDT 
Apache Tomcat Native has a flaw that does not properly check OCSP pre-produced responses, which are lists (multiple entries) of certificate statuses. Subsequently, revoked client certificates may not be properly identified, allowing for users to authenticate with revoked certicates to connections that require mutual TLS.
Comment 1 Sam Fowler 2018-05-23 02:16:58 EDT 
Acknowledgments:

Name: Coty Sutherland (Red Hat)
Comment 5 Sam Fowler 2018-08-01 00:08:44 EDT 
Created tomcat-native tracking bugs for this issue:

Affects: epel-all [bug 1610614]
Affects: fedora-all [bug 1610613]
Comment 6 errata-xmlrpc 2018-08-16 10:50:43 EDT 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server

Via RHSA-2018:2470 https://access.redhat.com/errata/RHSA-2018:2470
Comment 7 errata-xmlrpc 2018-08-16 11:00:49 EDT 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 3 for RHEL 7
  Red Hat JBoss Web Server 3 for RHEL 6

Via RHSA-2018:2469 https://access.redhat.com/errata/RHSA-2018:2469
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