Bug 1607582 (CVE-2018-8037) - CVE-2018-8037 tomcat: Due to a mishandling of close in NIO/NIO2 connectors user sessions can get mixed up
Summary: CVE-2018-8037 tomcat: Due to a mishandling of close in NIO/NIO2 connectors us...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-8037
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1607584 1607585 1608603 1608604 1614557 1614558 1619232 1711335
Blocks: 1607593
TreeView+ depends on / blocked
 
Reported: 2018-07-23 19:23 UTC by Pedro Sampaio
Modified: 2024-02-21 19:58 UTC (History)
82 users (show)

Fixed In Version: tomcat 8.5.32, tomcat 9.0.10, tomcat 7.0.87
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Environment:
Last Closed: 2019-07-12 13:05:50 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2867 0 None None None 2018-10-03 13:43:24 UTC
Red Hat Product Errata RHSA-2018:2868 0 None None None 2018-10-03 13:54:11 UTC
Red Hat Product Errata RHSA-2019:1529 0 None None None 2019-06-18 17:20:58 UTC

Description Pedro Sampaio 2018-07-23 19:23:07 UTC 
Flaw affecting tomcat 9.0.0.M9 to 9.0.9 and 8.5.5 to 8.5.31. A bug in the tracking of connection closures can lead to reuse of user sessions in a new connection.

Upstream patch:

http://svn.apache.org/viewvc?view=rev&rev=1833906
http://svn.apache.org/viewvc?view=rev&rev=1833907

References:

https://tomcat.apache.org/security-8.html
https://tomcat.apache.org/security-9.html
Comment 1 Pedro Sampaio 2018-07-23 19:24:23 UTC 
Created tomcat tracking bugs for this issue:

Affects: epel-all [bug 1607585]
Affects: fedora-all [bug 1607584]
Comment 5 Takeshi Nishimura 2018-07-26 08:16:49 UTC 
I found no evidence that CVE-2018-8037 is fixed in tomcat 7.0.87.
Comment 8 Timothy Walsh 2018-08-20 10:26:29 UTC 
Review of JWS 3.1 indicates that versions of Tomcat used in that release are not affected.
Comment 9 Timothy Walsh 2018-08-20 10:36:32 UTC 
Red Hat Enterprise Linux 7 supports Tomcat 7 (7.0.76) which is not affected by this flaw.
Comment 11 errata-xmlrpc 2018-10-03 13:42:57 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server

Via RHSA-2018:2867 https://access.redhat.com/errata/RHSA-2018:2867
Comment 12 errata-xmlrpc 2018-10-03 13:53:46 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 5.0 on RHEL 7
  Red Hat JBoss Web Server 5.0 on RHEL 6

Via RHSA-2018:2868 https://access.redhat.com/errata/RHSA-2018:2868
Comment 15 errata-xmlrpc 2019-06-18 17:20:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:1529 https://access.redhat.com/errata/RHSA-2019:1529
Comment 16 Product Security DevOps Team 2019-07-12 13:05:50 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-8037
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