Ubuntu 4128-2: Tomcat vulnerabilities

    Date18 Sep 2019
    CategoryUbuntu
    267
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Tomcat 9.
    ============================================================
    
    ==============
    Ubuntu Security Notice USN-4128-2
    September 18, 2019
    
    tomcat9 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    
    Summary:
    
    Several security issues were fixed in Tomcat 9.
    
    Software Description:
    - tomcat9: Servlet and JSP engine
    
    Details:
    
    It was discovered that the Tomcat 9 SSI printenv command echoed user 
    provided data without escaping it. An attacker could possibly use this 
    issue to perform an XSS attack. (CVE-2019-0221)
    
    It was discovered that Tomcat 9 did not address HTTP/2 connection window
    exhaustion on write while addressing CVE-2019-0199. An attacker could 
    possibly use this issue to cause a denial of service. (CVE-2019-10072)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      libtomcat9-java                 9.0.16-3ubuntu0.19.04.1
      tomcat9                         9.0.16-3ubuntu0.19.04.1
    
    Ubuntu 18.04 LTS:
      libtomcat9-java                 9.0.16-3ubuntu0.18.04.1
      tomcat9                         9.0.16-3ubuntu0.18.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4128-2
      https://usn.ubuntu.com/4128-1
      CVE-2019-0221, CVE-2019-10072
    
    Package Information:
      https://launchpad.net/ubuntu/+source/tomcat9/9.0.16-3ubuntu0.19.04.1
    
      https://launchpad.net/ubuntu/+source/tomcat9/9.0.16-3ubuntu0.18.04.1
    
    
    
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