Loop with Unreachable Exit Condition ('Infinite Loop') Affecting tomcat8-lib package, versions <0:8.5.57-1.85.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
46.74% (98th percentile)

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  • Snyk IDSNYK-AMZN201803-TOMCAT8LIB-1724436
  • published27 Sept 2021
  • disclosed14 Jul 2020

Introduced: 14 Jul 2020

CVE-2020-13935  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 tomcat8-lib to version 0:8.5.57-1.85.amzn1 or higher.
This issue was patched in ALAS-2020-1409.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat8-lib package and not the tomcat8-lib package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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 Scores

version 3.1