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Resource Exhaustion Affecting tomcat9 package, versions <9.0.16-1

Severity

 Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    72.67% (99th percentile)

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  • Snyk ID SNYK-DEBIAN11-TOMCAT9-522169
  • published 29 Mar 2019
  • disclosed 10 Apr 2019
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Introduced: 29 Mar 2019

CVE-2019-0199 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Debian:11 tomcat9 to version 9.0.16-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.

References