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Ubuntu Security Notice USN-2130-1

Ubuntu Security Notice USN-2130-1
Posted Mar 6, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2130-1 - It was discovered that Tomcat incorrectly handled certain inconsistent HTTP headers. A remote attacker could possibly use this flaw to conduct request smuggling attacks. It was discovered that Tomcat incorrectly handled certain requests submitted using chunked transfer encoding. A remote attacker could use this flaw to cause the Tomcat server to stop responding, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2013-4286, CVE-2013-4322, CVE-2014-0033, CVE-2014-0050, CVE-2013-4286, CVE-2013-4322, CVE-2014-0033, CVE-2014-0050
SHA-256 | d34d8ac4150b8f6a4f6baef401d0fa50c2a91dca97782c65ae813069a519bf58

Ubuntu Security Notice USN-2130-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2130-1
March 06, 2014

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

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

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 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 certain inconsistent
HTTP headers. A remote attacker could possibly use this flaw to conduct
request smuggling attacks. (CVE-2013-4286)

It was discovered that Tomcat incorrectly handled certain requests
submitted using chunked transfer encoding. A remote attacker could use this
flaw to cause the Tomcat server to stop responding, resulting in a denial
of service. (CVE-2013-4322)

It was discovered that Tomcat incorrectly applied the disableURLRewriting
setting when handling a session id in a URL. A remote attacker could
possibly use this flaw to conduct session fixation attacks. This issue
only applied to Ubuntu 12.04 LTS. (CVE-2014-0033)

It was discovered that Tomcat incorrectly handled malformed Content-Type
headers and multipart requests. A remote attacker could use this flaw to
cause the Tomcat server to stop responding, resulting in a denial of
service. This issue only applied to Ubuntu 12.10 and Ubuntu 13.10.
(CVE-2014-0050)

Update instructions:

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

Ubuntu 13.10:
libtomcat7-java 7.0.42-1ubuntu0.1

Ubuntu 12.10:
libtomcat7-java 7.0.30-0ubuntu1.3

Ubuntu 12.04 LTS:
libtomcat6-java 6.0.35-1ubuntu3.4

Ubuntu 10.04 LTS:
libtomcat6-java 6.0.24-2ubuntu1.15

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

References:
http://www.ubuntu.com/usn/usn-2130-1
CVE-2013-4286, CVE-2013-4322, CVE-2014-0033, CVE-2014-0050

Package Information:
https://launchpad.net/ubuntu/+source/tomcat7/7.0.42-1ubuntu0.1
https://launchpad.net/ubuntu/+source/tomcat7/7.0.30-0ubuntu1.3
https://launchpad.net/ubuntu/+source/tomcat6/6.0.35-1ubuntu3.4
https://launchpad.net/ubuntu/+source/tomcat6/6.0.24-2ubuntu1.15
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