Resource Exhaustion Affecting jws5-tomcat-lib package, versions <0:9.0.30-5.redhat_6.1.el7jws


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
86.61% (100th percentile)

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  • Snyk IDSNYK-RHEL7-JWS5TOMCATLIB-3532794
  • published26 Jul 2021
  • disclosed15 Jul 2020

Introduced: 15 Jul 2020

CVE-2020-13935  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 jws5-tomcat-lib to version 0:9.0.30-5.redhat_6.1.el7jws or higher.
This issue was patched in RHSA-2020:3306.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jws5-tomcat-lib package and not the jws5-tomcat-lib package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

CVSS Base Scores

version 3.1