1. Ubuntu Security Notices
  2. USN-1685-1

USN-1685-1: Tomcat vulnerabilities

Publication date

14 January 2013

Overview

Several security issues were fixed in Tomcat.

Releases

Packages

Details

It was discovered that Tomcat incorrectly performed certain security
constraint checks in the FORM authenticator. A remote attacker could
possibly use this flaw with a specially-crafted URI to bypass security
constraint checks. This issue only affected Ubuntu 10.04 LTS, Ubuntu 11.10
and Ubuntu 12.04 LTS. (CVE-2012-3546)

It was discovered that Tomcat incorrectly handled requests that lack a
session identifier. A remote attacker could possibly use this flaw to
bypass the cross-site request forgery protection. (CVE-2012-4431)

It was discovered that Tomcat incorrectly handled sendfile and HTTPS when
the NIO connector is used. A remote attacker could use this flaw to cause
Tomcat to stop responsing, resulting in a denial of service. This issue
only affected Ubuntu 10.04 LTS, Ubuntu 11.10 and Ubuntu 12.04 LTS.
(

It was discovered that Tomcat incorrectly performed certain security
constraint checks in the FORM authenticator. A remote attacker could
possibly use this flaw with a specially-crafted URI to bypass security
constraint checks. This issue only affected Ubuntu 10.04 LTS, Ubuntu 11.10
and Ubuntu 12.04 LTS. (CVE-2012-3546)

It was discovered that Tomcat incorrectly handled requests that lack a
session identifier. A remote attacker could possibly use this flaw to
bypass the cross-site request forgery protection. (CVE-2012-4431)

It was discovered that Tomcat incorrectly handled sendfile and HTTPS when
the NIO connector is used. A remote attacker could use this flaw to cause
Tomcat to stop responsing, resulting in a denial of service. This issue
only affected Ubuntu 10.04 LTS, Ubuntu 11.10 and Ubuntu 12.04 LTS.
(CVE-2012-4534)

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
12.10 quantal libtomcat7-java –  7.0.30-0ubuntu1.1
12.04 precise libtomcat6-java –  6.0.35-1ubuntu3.2
11.10 oneiric libtomcat6-java –  6.0.32-5ubuntu1.4
10.04 lucid libtomcat6-java –  6.0.24-2ubuntu1.12

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References

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