Ubuntu 4291-1: mod-auth-mellon vulnerability

    Date24 Feb 2020
    304
    Posted ByLinuxSecurity Advisories
    libapache2-mod-auth-mellon could be made to redirect users to malicious sites.
    ==========================================================================
    Ubuntu Security Notice USN-4291-1
    February 24, 2020
    
    libapache2-mod-auth-mellon vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    
    Summary:
    
    libapache2-mod-auth-mellon could be made to redirect users to malicious
    sites.
    
    Software Description:
    - libapache2-mod-auth-mellon: SAML 2.0 authentication module for Apache
    
    Details:
    
    It was discovered that mod_auth_mellon incorrectly handled certain
    requests. An attacker could possibly use this issue to redirect a user to a
    malicious URL.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      libapache2-mod-auth-mellon      0.14.2-1ubuntu1.19.10.1
    
    Ubuntu 18.04 LTS:
      libapache2-mod-auth-mellon      0.13.1-1ubuntu0.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4291-1
      CVE-2019-13038
    
    Package Information:
    
    https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.14.2-1ubuntu1.19.10.1
      https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.13.1-1ubuntu0.2
    
    

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