USN-1252-1: Tomcat vulnerabilities
8 November 2011
Tomcat could be made to crash or expose sensitive information over the network.
- tomcat6 - Servlet and JSP engine
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.
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)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.