Ubuntu 1359-1: Tomcat vulnerabilities

    Date13 Feb 2012
    CategoryUbuntu
    44
    Posted ByLinuxSecurity Advisories
    Tomcat could be made to crash or expose sensitive information if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-1359-1
    February 13, 2012
    
    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 if it
    received specially crafted network traffic.
    
    Software Description:
    - tomcat6: Servlet and JSP engine
    
    Details:
    
    It was discovered that Tomcat incorrectly performed certain caching and
    recycling operations. A remote attacker could use this flaw to obtain read
    access to IP address and HTTP header information in certain cases. This
    issue only applied to Ubuntu 11.10. (CVE-2011-3375)
    
    It was discovered that Tomcat computed hash values for form parameters
    without restricting the ability to trigger hash collisions predictably.
    A remote attacker could cause a denial of service by sending many crafted
    parameters. (CVE-2011-4858)
    
    It was discovered that Tomcat incorrectly handled parameters. A remote
    attacker could cause a denial of service by sending requests with a large
    number of parameters and values. (CVE-2012-0022)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      libtomcat6-java                 6.0.32-5ubuntu1.2
    
    Ubuntu 11.04:
      libtomcat6-java                 6.0.28-10ubuntu2.3
    
    Ubuntu 10.10:
      libtomcat6-java                 6.0.28-2ubuntu1.6
    
    Ubuntu 10.04 LTS:
      libtomcat6-java                 6.0.24-2ubuntu1.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1359-1
      CVE-2011-3375, CVE-2011-4858, CVE-2012-0022
    
    Package Information:
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.32-5ubuntu1.2
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.28-10ubuntu2.3
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.28-2ubuntu1.6
      https://launchpad.net/ubuntu/+source/tomcat6/6.0.24-2ubuntu1.10
    
    
    
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