Cache Poisoning Affecting org.apache.tomcat:tomcat-catalina package, versions [7.0.0, 7.0.79) [8.0.0RC1, 8.0.45) [8.5.0, 8.5.16) [9.0.0.M1, 9.0.0.M22)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.28% (69th percentile)

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  • Snyk ID SNYK-JAVA-ORGAPACHETOMCAT-460344
  • published 9 Oct 2017
  • disclosed 21 May 2017
  • credit Rick Riemer

How to fix?

Upgrade org.apache.tomcat:tomcat-catalina to version 7.0.79, 8.0.45, 8.5.16, 9.0.0.M22 or higher.

Overview

org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations.

Affected versions of this package are vulnerable to Cache Poisoning. The CORS Filter did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.

References

CVSS Scores

version 3.1
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Snyk

Recommended
4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None