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  5. CVE-2018-1336

CVE-2018-1336: Denial of Service

August 2, 2018 (updated October 2, 2019)

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.

References

  • tomcat.apache.org/security-7.html
  • tomcat.apache.org/security-8.html
  • tomcat.apache.org/security-8.html
  • tomcat.apache.org/security-9.html

Code Behaviors & Features

Detect and mitigate CVE-2018-1336 with GitLab Dependency Scanning

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Affected versions

All versions before 7.0.88, all versions starting from 8.0.0 before 8.0.52, all versions starting from 8.5.0 before 8.5.31, all versions starting from 9.0.0.m1 before 9.0.8

Fixed versions

  • 7.0.88
  • 8.0.52
  • 8.5.31
  • 9.0.8

Solution

Upgrade to versions 7.0.88, 8.0.52, 8.5.31, 9.0.8 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

maven/org.apache.tomcat/tomcat-util/CVE-2018-1336.yml

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