USN-1637-1: Tomcat vulnerabilities

Releases

• Ubuntu 12.04
• Ubuntu 11.10
• Ubuntu 10.04

Packages

• tomcat6 - Servlet and JSP engine

Details

It was discovered that the Apache Tomcat HTTP NIO connector incorrectly
handled header data. A remote attacker could cause a denial of service by
sending requests with a large amount of header data. (CVE-2012-2733)

It was discovered that Apache Tomcat incorrectly handled DIGEST
authentication. A remote attacker could possibly use these flaws to perform
a replay attack and bypass authentication. (CVE-2012-5885, CVE-2012-5886,
CVE-2012-5887)

Update instructions

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

Ubuntu 12.04

• libtomcat6-java - 6.0.35-1ubuntu3.1

Ubuntu 11.10

• libtomcat6-java - 6.0.32-5ubuntu1.3

Ubuntu 10.04

• libtomcat6-java - 6.0.24-2ubuntu1.11

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

References

• CVE-2012-2733
• CVE-2012-5885
• CVE-2012-5886
• CVE-2012-5887