Vulnerability Monitor

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CVE-2018-1114

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 3 products from redhat, from redhat, from redhat organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-09-11T15:29:00.470

Last Modified

2024-11-21T03:59:12.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	redhat	undertow	-	Yes
Application	redhat	virtualization	4.0	Yes
Application	redhat	virtualization	4.2	Yes
Application	redhat	virtualization_host	4.0	Yes

References

https://access.redhat.com/errata/RHSA-2018:2643 Vendor Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:2669 Vendor Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2019:0877 Vendor Advisory ([email protected])
https://bugs.openjdk.java.net/browse/JDK-6956385 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1114 Issue Tracking, Vendor Advisory ([email protected])
https://issues.jboss.org/browse/UNDERTOW-1338 Issue Tracking, Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:2643 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:2669 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:0877 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.openjdk.java.net/browse/JDK-6956385 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1114 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://issues.jboss.org/browse/UNDERTOW-1338 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.