Bug 1573045 (CVE-2018-1114) - CVE-2018-1114 undertow: File descriptor leak caused by JarURLConnection.getLastModified() allows attacker to cause a denial of service
Summary: CVE-2018-1114 undertow: File descriptor leak caused by JarURLConnection.getLa...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-1114
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1573046 1573047 1590658
Blocks: 1571068
TreeView+ depends on / blocked
 
Reported: 2018-04-30 03:09 UTC by Sam Fowler
Modified: 2021-02-17 00:24 UTC (History)
51 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized which can cause file descriptors to exhaust. This leads to a file handler leak.
Clone Of:
Environment:
Last Closed: 2019-06-10 10:20:45 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker JBEAP-14672 0 Major Closed [GSS](7.1.z) CVE-2018-1114 UNDERTOW-1338 - File descriptor leak caused by JarURLConnection.getLastModified() when access... 2019-06-20 16:20:08 UTC
Red Hat Issue Tracker UNDERTOW-1338 0 Major Resolved File descriptor leak cause JarURLConnection.getLastModified() 2019-06-20 16:20:08 UTC
Red Hat Knowledge Base (Solution) 3421731 0 None None None 2018-07-02 02:07:15 UTC
Red Hat Product Errata RHSA-2018:2643 0 None None None 2018-09-04 13:45:21 UTC
Red Hat Product Errata RHSA-2018:2669 0 None None None 2018-09-11 07:55:46 UTC
Red Hat Product Errata RHSA-2019:0877 0 None None None 2019-04-24 18:46:46 UTC

Description Sam Fowler 2018-04-30 03:09:03 UTC 
Undertow has a file handler leak vulnerability caused by JarURLConnection.getLastModified(). A remote attacker could exploit this to cause a denial of service.


External References:

https://issues.jboss.org/browse/UNDERTOW-1338
https://bugs.openjdk.java.net/browse/JDK-6956385
Comment 1 Sam Fowler 2018-04-30 03:09:51 UTC 
Created undertow tracking bugs for this issue:

Affects: fedora-all [bug 1573047]
Comment 8 errata-xmlrpc 2018-09-04 13:44:58 UTC 
This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 7

Via RHSA-2018:2643 https://access.redhat.com/errata/RHSA-2018:2643
Comment 9 errata-xmlrpc 2018-09-11 07:55:28 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Fuse

Via RHSA-2018:2669 https://access.redhat.com/errata/RHSA-2018:2669
Comment 14 errata-xmlrpc 2019-04-24 18:46:44 UTC 
This issue has been addressed in the following products:

  Red Hat Openshift Application Runtimes

Via RHSA-2019:0877 https://access.redhat.com/errata/RHSA-2019:0877
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