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Uncontrolled Resource Consumption in XNIO

Moderate severity GitHub Reviewed Published Jun 8, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

maven org.jboss.xnio:xnio-nio (Maven)

Affected versions

>= 3.8.0.Final, <= 3.8.1.Final
>= 3.6.0, <= 3.7.8.Final

Patched versions

3.8.2.Final
3.7.9.Final

Description

A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.

References

Published by the National Vulnerability Database Jun 2, 2021
Reviewed Jun 3, 2021
Published to the GitHub Advisory Database Jun 8, 2021
Last updated Feb 1, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.122%
(48th percentile)

Weaknesses

CVE ID

CVE-2020-14340

GHSA ID

GHSA-c738-77x8-wmq5

Source code

No known source code
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