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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting eap7-jcl-over-slf4j package, versions <0:1.7.22-2.redhat_1.1.ep7.el7

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    2.41% (91st percentile)

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  • Snyk ID SNYK-RHEL7-EAP7JCLOVERSLF4J-5330568
  • published 30 Mar 2023
  • disclosed 7 Jun 2017
Report a new vulnerability Found a mistake?

Introduced: 7 Jun 2017

CVE-2017-2670 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade RHEL:7 eap7-jcl-over-slf4j to version 0:1.7.22-2.redhat_1.1.ep7.el7 or higher.
This issue was patched in RHSA-2017:3455.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap7-jcl-over-slf4j package and not the eap7-jcl-over-slf4j package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.