PT-2020-6403 · Xnio · Xnio

Published 2020-07-17 · Updated 2022-07-25 · CVE-2020-14340

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions XNIO versions 3.6.0.Beta1 through 3.8.1.Final

Description A file descriptor leak in XNIO, caused by growing amounts of NIO Selector file handles between garbage collection cycles, may allow an attacker to cause a denial of service. This issue is related to the structure of input-output operations in XNIO and can be exploited by a remote attacker.

Recommendations For XNIO versions 3.6.0.Beta1 through 3.8.1.Final, update to a version that includes a fix for the file descriptor leak issue to prevent potential denial of service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2021-04623

CVE-2020-14340

GHSA-C738-77X8-WMQ5

RHSA-2020:4244

RHSA-2020:4245

RHSA-2020:4246

Affected Products

Xnio

References · 16

• https://oracle.com/security-alerts/cpujan2022.html · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=1860218 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2022.html · Patch
• https://osv.dev/vulnerability/CVE-2020-14340 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-14340 · Security Note
• https://ubuntu.com/security/CVE-2020-14340 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-14340 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-14340 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04623 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-14340 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-14340 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-c738-77x8-wmq5 · Vendor Advisory
• https://github.com/xnio/xnio/pull/233/commits/a6c923c5d05657b3582ad9f8fd91f87bc6708b3a · Note
• https://github.com/xnio/xnio/pull/234/commits/94a297048f159ee4f4953234fa7caf2585fe8bf3 · Note
• https://t.me/cvenotify/16268 · Telegram Post