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USN-3024-1: Tomcat vulnerabilities

5 July 2016

Several security issues were fixed in Tomcat.

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Releases

Packages

Details

It was discovered that Tomcat incorrectly handled pathnames used by web
applications in a getResource, getResourceAsStream, or getResourcePaths
call. A remote attacker could use this issue to possibly list a parent
directory . This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and
Ubuntu 15.10. (CVE-2015-5174)

It was discovered that the Tomcat mapper component incorrectly handled
redirects. A remote attacker could use this issue to determine the
existence of a directory. This issue only affected Ubuntu 12.04 LTS,
Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5345)

It was discovered that Tomcat incorrectly handled different session
settings when multiple versions of the same web application was deployed. A
remote attacker could possibly use this issue to hijack web sessions. This
issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5346)

It was discovered that the Tomcat Manager and Host Manager applications
incorrectly handled new requests. A remote attacker could possibly use this
issue to bypass CSRF protection mechanisms. This issue only affected Ubuntu
14.04 LTS and Ubuntu 15.10. (CVE-2015-5351)

It was discovered that Tomcat did not place StatusManagerServlet on the
RestrictedServlets list. A remote attacker could possibly use this issue to
read arbitrary HTTP requests, including session ID values. This issue only
affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10.
(CVE-2016-0706)

It was discovered that the Tomcat session-persistence implementation
incorrectly handled session attributes. A remote attacker could possibly
use this issue to execute arbitrary code in a privileged context. This
issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10.
(CVE-2016-0714)

It was discovered that the Tomcat setGlobalContext method incorrectly
checked if callers were authorized. A remote attacker could possibly use
this issue to read or wite to arbitrary application data, or cause a denial
of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and
Ubuntu 15.10. (CVE-2016-0763)

It was discovered that the Tomcat Fileupload library incorrectly handled
certain upload requests. A remote attacker could possibly use this issue to
cause a denial of service. (CVE-2016-3092)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-3027-1: tomcat8-admin, libservlet3.1-java, tomcat8-docs, tomcat8-common, tomcat8-user, tomcat8-examples, libtomcat8-java, libservlet3.1-java-doc, tomcat8