Ubuntu 1252-1: Tomcat vulnerabilities

    Date08 Nov 2011
    CategoryUbuntu
    78
    Posted ByLinuxSecurity Advisories
    Tomcat could be made to crash or expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-1252-1
    November 08, 2011
    
    tomcat6 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Tomcat could be made to crash or expose sensitive information over the
    network.
    
    Software Description:
    - tomcat6: Servlet and JSP engine
    
    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 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:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      libtomcat6-java                 6.0.32-5ubuntu1.1
    
    Ubuntu 11.04:
      libtomcat6-java                 6.0.28-10ubuntu2.2
    
    Ubuntu 10.10:
      libtomcat6-java                 6.0.28-2ubuntu1.5
    
    Ubuntu 10.04 LTS:
      libtomcat6-java                 6.0.24-2ubuntu1.9
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1252-1
      CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190
    
    Package Information:
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.32-5ubuntu1.1
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.28-10ubuntu2.2
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.28-2ubuntu1.5
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.24-2ubuntu1.9
    
    
    
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