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Ubuntu Security Notice USN-3024-1

Ubuntu Security Notice USN-3024-1
Posted Jul 5, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3024-1 - 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. 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. Various other issues were also addressed.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2015-5174, CVE-2015-5345, CVE-2015-5346, CVE-2015-5351, CVE-2016-0706, CVE-2016-0714, CVE-2016-0763, CVE-2016-3092
MD5 | 9a2d5617b12edbfe63e1b8e19afb2ae5

Ubuntu Security Notice USN-3024-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3024-1
July 05, 2016

tomcat6, tomcat7 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in Tomcat.

Software Description:
- tomcat7: Servlet and JSP engine
- tomcat6: Servlet and JSP engine

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)

Update instructions:

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

Ubuntu 16.04 LTS:
libtomcat7-java 7.0.68-1ubuntu0.1

Ubuntu 15.10:
libtomcat7-java 7.0.64-1ubuntu0.3

Ubuntu 14.04 LTS:
libtomcat7-java 7.0.52-1ubuntu0.6

Ubuntu 12.04 LTS:
libtomcat6-java 6.0.35-1ubuntu3.7

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

References:
http://www.ubuntu.com/usn/usn-3024-1
CVE-2015-5174, CVE-2015-5345, CVE-2015-5346, CVE-2015-5351,
CVE-2016-0706, CVE-2016-0714, CVE-2016-0763, CVE-2016-3092

Package Information:
https://launchpad.net/ubuntu/+source/tomcat7/7.0.68-1ubuntu0.1
https://launchpad.net/ubuntu/+source/tomcat7/7.0.64-1ubuntu0.3
https://launchpad.net/ubuntu/+source/tomcat7/7.0.52-1ubuntu0.6
https://launchpad.net/ubuntu/+source/tomcat6/6.0.35-1ubuntu3.7


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