Advisory Published

USN-3665-1: Tomcat vulnerabilities

First published: Wed May 30 2018(Updated: )

It was discovered that Tomcat incorrectly handled being configured with HTTP PUTs enabled. A remote attacker could use this issue to upload a JSP file to the server and execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2017-12616, CVE-2017-12617) It was discovered that Tomcat contained incorrect documentation regarding description of the search algorithm used by the CGI Servlet to identify which script to execute. This issue only affected Ubuntu 17.10. (CVE-2017-15706) It was discovered that Tomcat incorrectly handled en empty string URL pattern in security constraint definitions. A remote attacker could possibly use this issue to gain access to web application resources, contrary to expectations. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-1304) It was discovered that Tomcat incorrectly handled applying certain security constraints. A remote attacker could possibly access certain resources, contrary to expectations. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-1305) It was discovered that the Tomcat CORS filter default settings were insecure and would enable 'supportsCredentials' for all origins, contrary to expectations. (CVE-2018-8014)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libtomcat8-java<8.5.30-1ubuntu1.2
8.5.30-1ubuntu1.2
=18.04
All of
ubuntu/tomcat8<8.5.30-1ubuntu1.2
8.5.30-1ubuntu1.2
=18.04
All of
ubuntu/libtomcat8-java<8.5.21-1ubuntu1.1
8.5.21-1ubuntu1.1
=17.10
All of
ubuntu/tomcat8<8.5.21-1ubuntu1.1
8.5.21-1ubuntu1.1
=17.10
All of
ubuntu/libtomcat8-java<8.0.32-1ubuntu1.6
8.0.32-1ubuntu1.6
=16.04
All of
ubuntu/tomcat8<8.0.32-1ubuntu1.6
8.0.32-1ubuntu1.6
=16.04
All of
ubuntu/libtomcat7-java<7.0.52-1ubuntu0.14
7.0.52-1ubuntu0.14
=14.04
All of
ubuntu/tomcat7<7.0.52-1ubuntu0.14
7.0.52-1ubuntu0.14
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for the Tomcat vulnerabilities?

    The vulnerability ID for the Tomcat vulnerabilities is CVE-2017-12616, CVE-2017-12617, and CVE-2017-15706.

  • How does the Tomcat vulnerability allow remote code execution?

    The Tomcat vulnerability allows remote code execution by exploiting the incorrect handling of HTTP PUT requests and allowing the upload and execution of arbitrary code.

  • Which versions of Ubuntu are affected by the Tomcat vulnerability?

    The Tomcat vulnerability affects Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 17.10.

  • What is the recommended remedy for the Tomcat vulnerability in libtomcat8-java?

    The recommended remedy for the Tomcat vulnerability in libtomcat8-java is to upgrade to version 8.5.30-1ubuntu1.2 or later.

  • What is the recommended remedy for the Tomcat vulnerability in tomcat8?

    The recommended remedy for the Tomcat vulnerability in tomcat8 is to upgrade to version 8.5.30-1ubuntu1.2 or later.

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