1. Ubuntu Security Notices
  2. USN-1252-1

USN-1252-1: Tomcat vulnerabilities

Publication date

8 November 2011

Overview

Tomcat could be made to crash or expose sensitive information over the network.

Releases

Packages

Details

It was discovered that Tomcat incorrectly implemented HTTP DIGEST
authentication. An attacker could use this flaw to perform a variety of
authentication attacks. (CVE-2011-1184)

Polina Genova discovered that Tomcat incorrectly created log entries with
passwords when encountering errors during JMX user creation. A local
attacker could possibly use this flaw to obtain sensitive information. This
issue only affected Ubuntu 10.04 LTS, 10.10 and 11.04. (CVE-2011-2204)

It was discovered that Tomcat incorrectly validated certain request
attributes when sendfile is enabled. A local attacker could bypass intended
restrictions, or cause the JVM to crash, resulting in a denial of service.
(CVE-2011-2526)

It was discovered that Tomcat incorrectly handled certain AJP requests. A
remote attacker could use this flaw to spoof...

It was discovered that Tomcat incorrectly implemented HTTP DIGEST
authentication. An attacker could use this flaw to perform a variety of
authentication attacks. (CVE-2011-1184)

Polina Genova discovered that Tomcat incorrectly created log entries with
passwords when encountering errors during JMX user creation. A local
attacker could possibly use this flaw to obtain sensitive information. This
issue only affected Ubuntu 10.04 LTS, 10.10 and 11.04. (CVE-2011-2204)

It was discovered that Tomcat incorrectly validated certain request
attributes when sendfile is enabled. A local attacker could bypass intended
restrictions, or cause the JVM to crash, resulting in a denial of service.
(CVE-2011-2526)

It was discovered that Tomcat incorrectly handled certain AJP requests. A
remote attacker could use this flaw to spoof requests, bypass
authentication, and obtain sensitive information. This issue only affected
Ubuntu 10.04 LTS, 10.10 and 11.04. (CVE-2011-3190)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.10 oneiric libtomcat6-java –  6.0.32-5ubuntu1.1
11.04 natty libtomcat6-java –  6.0.28-10ubuntu2.2
10.10 maverick libtomcat6-java –  6.0.28-2ubuntu1.5
10.04 lucid libtomcat6-java –  6.0.24-2ubuntu1.9

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References

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