Debian Security Advisory

DSA-2401-1 tomcat6 -- several vulnerabilities

Date Reported:
02 Feb 2012
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-3375, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022.
More information:

Several vulnerabilities have been found in Tomcat, a servlet and JSP engine:

  • CVE-2011-1184 CVE-2011-5062 CVE-2011-5063 CVE-2011-5064

    The HTTP Digest Access Authentication implementation performed insufficient countermeasures against replay attacks.

  • CVE-2011-2204

    In rare setups passwords were written into a logfile.

  • CVE-2011-2526

    Missing input sanitising in the HTTP APR or HTTP NIO connectors could lead to denial of service.

  • CVE-2011-3190

    AJP requests could be spoofed in some setups.

  • CVE-2011-3375

    Incorrect request caching could lead to information disclosure.

  • CVE-2011-4858 CVE-2012-0022

    This update adds countermeasures against a collision denial of service vulnerability in the Java hashtable implementation and addresses denial of service potentials when processing large amounts of requests.

Additional information can be found at

For the stable distribution (squeeze), this problem has been fixed in version 6.0.35-1+squeeze2.

For the unstable distribution (sid), this problem has been fixed in version 6.0.35-1.

We recommend that you upgrade your tomcat6 packages.