Skip to content
Fencer Intel
medium 6.5

CVE-2018-1114 json

Uncontrolled Resource Consumption in Undertow

published 2018-09-11 8 y ago modified 2026-06-17 4 mo ago also GHSA-gjjx-gqm4-wcgm , EUVD-2022-3969

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven io.undertow:undertow-core 1.4.25.Final, 2.0.5.Final
  • undertow Debian 14 1.4.25-1

debian advisories DEBIAN-CVE-2018-1114

  • rhvm-appliance RHEL 7 2:4.2-20180828.0.el7
  • eap7-wildfly jboss enterprise application platform 7 7.1.3-2.GA_redhat_2.1.ep7.el6
  • eap7-undertow jboss enterprise application platform 7 1.4.18-6.SP7_redhat_1.1.ep7.el6
  • eap7-hibernate jboss enterprise application platform 7 5.1.14-1.Final_redhat_1.1.ep7.el6
  • eap7-infinispan jboss enterprise application platform 7 8.2.11-1.Final_redhat_1.1.ep7.el6
  • eap7-ironjacamar jboss enterprise application platform 7 1.4.9-1.Final_redhat_1.1.ep7.el6
  • eap7-jboss-modules jboss enterprise application platform 7 1.6.4-1.Final_redhat_1.1.ep7.el6
  • eap7-hibernate-core jboss enterprise application platform 7 5.1.14-1.Final_redhat_1.1.ep7.el6

red hat advisories RHSA-2018:2643RHSA-2018:2090RHSA-2018:2089

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1114 updated cvss 6.5

undertow: File descriptor leak caused by JarURLConnection.getLastModified() allows attacker to cause a denial of service

  • Red Hat JBoss Fuse 6 undertow undertow
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse Integration Service 2 undertow undertow Red Hat OpenShift Application Runtimes undertow undertow Red Hat Single Sign-On 7 undertow undertow
    affected: no fix available
  • Red Hat Fuse 7
    fixed: vendor fix RHSA-2018:2669
  • Red Hat JBoss EAP 7.1
    fixed: vendor fix RHSA-2018:2088
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 Server eap7-wildfly 7.1.3-2.GA_redhat_2.1.ep7.el6, eap7-undertow 1.4.18-6.SP7_redhat_1.1.ep7.el6, eap7-hibernate 5.1.14-1.Final_redhat_1.1.ep7.el6, eap7-infinispan 8.2.11-1.Final_redhat_1.1.ep7.el6, eap7-ironjacamar 1.4.9-1.Final_redhat_1.1.ep7.el6, eap7-wildfly-modules 7.1.3-2.GA_redhat_2.1.ep7.el6, +81 more
    fixed: vendor fix RHSA-2018:2090
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 Server eap7-wildfly 7.1.3-2.GA_redhat_2.1.ep7.el7, eap7-undertow 1.4.18-6.SP7_redhat_1.1.ep7.el7, eap7-hibernate 5.1.14-1.Final_redhat_1.1.ep7.el7, eap7-infinispan 8.2.11-1.Final_redhat_1.1.ep7.el7, eap7-ironjacamar 1.4.9-1.Final_redhat_1.1.ep7.el7, eap7-wildfly-modules 7.1.3-2.GA_redhat_2.1.ep7.el7, +81 more
    fixed: vendor fix RHSA-2018:2089
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 rhvm-appliance 4.2-20180828.0.el7 Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts rhvm-appliance 4.2-20180828.0.el7
    fixed: vendor fix RHSA-2018:2643
  • Red Hat Text-Only RHOAR
    fixed: vendor fix RHSA-2019:0877
show 1 more
  • Red Hat JBoss Data Grid 7 undertow undertow Red Hat JBoss Enterprise Application Platform 6 jbossweb jbossweb
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven io.undertow:undertow-core
<1.4.25.Final
>=2.0.0.Alpha1, <2.0.5.Final
1.4.25.Final
2.0.5.Final

Affected products

  • Red Hat undertow

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.