Ubuntu 4290-2: libpam-radius-auth vulnerability

    Date 03 Mar 2020
    181
    Posted By LinuxSecurity Advisories
    libpam-radius-auth could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4290-2
    March 03, 2020
    
    libpam-radius-auth vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    libpam-radius-auth could be made to crash if it received specially crafted
    network traffic.
    
    Software Description:
    - libpam-radius-auth: The PAM RADIUS authentication module
    
    Details:
    
    USN-4290-1 fixed a vulnerability in libpam-radius-auth. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that libpam-radius-auth incorrectly handled certain long
     passwords. A remote attacker could possibly use this issue to cause
     libpam-radius-auth to crash, resulting in a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      libpam-radius-auth              1.3.17-0ubuntu4+esm1
    
    Ubuntu 12.04 ESM:
      libpam-radius-auth              1.3.17-0ubuntu3.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4290-2
      https://usn.ubuntu.com/4290-1
      CVE-2015-9542
    

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