Home/CVE/It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized whi
CVE

CVE-2018-1114

It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized whi

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.

MEDIUM · CVSS 6.5 EPSS 0.00707
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

3
redhat undertowall versions
redhat virtualizationall versions
redhat virtualization hostall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven io.undertow:undertow-core MODERATE fixed in 1.4.25.Final
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Sep 2018 · 03:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
rhsaRHSA-2019:0877Important
rhsaRHSA-2018:2643Important
rhsaRHSA-2018:2669Moderate
rhsaRHSA-2018:2090Moderate
rhsaRHSA-2018:2089Moderate
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.openjdk.java.net/browse/JDK-6956385Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1114Issue TrackingVendor Advisory
https://issues.jboss.org/browse/UNDERTOW-1338Issue TrackingThird Party Advisory
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