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Bug 1540824 - (CVE-2017-15698) CVE-2017-15698 tomcat-native: Mishandling of client certificates can allow for OCSP check bypass
CVE-2017-15698 tomcat-native: Mishandling of client certificates can allow fo...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180131,repor...
: Security
Depends On: 1540826 1540827
Blocks: 1540831
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Reported: 2018-02-01 00:41 EST by Sam Fowler
Modified: 2018-10-19 17:46 EDT (History)
30 users (show)

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Fixed In Version: tomcat-native 1.2.16
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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-2018:0465 normal SHIPPED_LIVE Important: Red Hat JBoss Web Server 3.1.0 Service Pack 2 security update 2018-03-07 15:09:54 EST
Red Hat Product Errata RHSA-2018:0466 normal SHIPPED_LIVE Important: Red Hat JBoss Web Server 3.1.0 Service Pack 2 security update 2018-03-07 15:21:52 EST

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Description Sam Fowler 2018-02-01 00:41:07 EST 
When parsing the AIA-Extension field of a client certificate, Apache Tomcat Native did not correctly handle fields longer than 127 bytes. The result of the parsing error was to skip the OCSP check. It was therefore possible for client certificates that should have been rejected (if the OCSP check had been made) to be accepted. Users not using OCSP checks are not affected by this vulnerability.

Versions Affected:
Apache Tomcat Native 1.2.0 to 1.2.14
Apache Tomcat Native 1.1.23 to 1.1.34

Upstream Advisory:
http://tomcat.10.x6.nabble.com/SECURITY-CVE-2017-15698-Apache-Tomcat-Native-Connector-OCSP-check-omitted-td5071564.html

Upstream Patches:
http://svn.apache.org/viewvc?view=revision&revision=1815200
http://svn.apache.org/viewvc?view=revision&revision=1815218
Comment 1 Sam Fowler 2018-02-01 00:41:33 EST 
Created tomcat-native tracking bugs for this issue:

Affects: epel-all [bug 1540827]
Affects: fedora-all [bug 1540826]
Comment 3 errata-xmlrpc 2018-03-07 10:11:24 EST 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server

Via RHSA-2018:0465 https://access.redhat.com/errata/RHSA-2018:0465
Comment 4 errata-xmlrpc 2018-03-07 10:25:01 EST 
This issue has been addressed in the following products:

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

Via RHSA-2018:0466 https://access.redhat.com/errata/RHSA-2018:0466
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