CVE-2017-2670

undertow: IO thread DoS via unclean Websocket closing

Published Jul 27, 2018 CVSS 3.0 · 7.5 High EPSS 3.6% KEV · Not listed
Description
It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-3906-1 undertow security update
EUVD EUVD EUVD-2018-0491 It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
Github GHSA Github GHSA GHSA-3x7h-5hfr-hvjm Moderate severity vulnerability that affects io.undertow:undertow-core
History
Type Values Removed Values Added
CPEs cpe:/a:redhat:jboss_enterprise_application_platform:7.1::el7
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 2:02 PM
Reserved
Dec 1, 2016, 12:00 AM
Status
Modified
Published
Jul 27, 2018, 3:29 PM
Modified
Jun 17, 2026, 1:16 AM
Severity
Moderate
Public date
Jun 7, 2017, 12:00 AM