HTTP Request Smuggling Affecting org.apache.tomcat:tomcat-coyote package, versions [10.0.0-M1, 10.0.2) [9.0.0.M1, 9.0.43) [8.5.0, 8.5.63)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.22% (61st percentile)

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  • Snyk ID SNYK-JAVA-ORGAPACHETOMCAT-1728263
  • published 1 Mar 2021
  • disclosed 1 Mar 2021
  • credit Unknown

How to fix?

Upgrade org.apache.tomcat:tomcat-coyote to version 10.0.2, 9.0.43, 8.5.63 or higher.

Overview

org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser.

Affected versions of this package are vulnerable to HTTP Request Smuggling. When responding to new h2c connection requests, Apache Tomcat could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

CVSS Scores

version 3.1
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Snyk

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

7.5 high
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SUSE

7.5 high
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Red Hat

7.5 high