Loop with Unreachable Exit Condition ('Infinite Loop') Affecting tomcat8 package, versions <8.0.32-1ubuntu1.7


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.79% (89th percentile)

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  • Snyk IDSNYK-UBUNTU1604-TOMCAT8-363818
  • published2 Aug 2018
  • disclosed2 Aug 2018

Introduced: 2 Aug 2018

CVE-2018-1336  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 tomcat8 to version 8.0.32-1ubuntu1.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat8 package and not the tomcat8 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.7, 8.5.0 to 8.5.30, 8.0.0.RC1 to 8.0.51, and 7.0.28 to 7.0.86.

References

CVSS Base Scores

version 3.1