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...
Status: NEW
Alias: CVE-2018-1114
Product: Security Response
Classification: Other
Component: vulnerability   
(Show other bugs)
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=moderate,public=20180421,repor...
Keywords: Security
Depends On: 1573047 1573046 1590658
Blocks: 1571068
TreeView+ depends on / blocked
 
Reported: 2018-04-30 03:09 UTC by Sam Fowler
Modified: 2019-04-11 08:58 UTC (History)
52 users (show)

Fixed In Version:
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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.
Story Points: ---
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Last Closed:
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Regression: ---
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)


External Trackers
Tracker ID Priority Status Summary Last Updated
JBoss Issue Tracker JBEAP-14672 Major Closed [GSS](7.1.z) CVE-2018-1114 UNDERTOW-1338 - File descriptor leak caused by JarURLConnection.getLastModified() when access... 2019-04-03 13:42 UTC
JBoss Issue Tracker UNDERTOW-1338 Major Resolved File descriptor leak cause JarURLConnection.getLastModified() 2019-04-03 13:42 UTC
Red Hat Product Errata RHSA-2018:2643 None None None 2018-09-04 13:45 UTC
Red Hat Product Errata RHSA-2018:2669 None None None 2018-09-11 07:55 UTC
Red Hat Knowledge Base (Solution) 3421731 None None None 2018-07-02 02:07 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


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