Linux Security
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    Ubuntu 4531-1: BusyBox vulnerability

    Date
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    Posted By
    Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.
    ==========================================================================
    Ubuntu Security Notice USN-4531-1
    September 22, 2020
    
    busybox vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 18.04 LTS
    
    Summary:
    
    Fraudulent security certificates could allow sensitive information to
    be exposed when accessing the Internet.
    
    Software Description:
    - busybox: Tiny utilities for small and embedded systems
    
    Details:
    
    It was discovered that the BusyBox wget applet incorrectly validated SSL
    certificates. A remote attacker could possibly use this issue to intercept
    secure communications.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      busybox                         1:1.30.1-4ubuntu6.2
      busybox-initramfs               1:1.30.1-4ubuntu6.2
      busybox-static                  1:1.30.1-4ubuntu6.2
    
    Ubuntu 18.04 LTS:
      busybox                         1:1.27.2-2ubuntu3.3
      busybox-initramfs               1:1.27.2-2ubuntu3.3
      busybox-static                  1:1.27.2-2ubuntu3.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4531-1
      CVE-2018-1000500
    
    Package Information:
      https://launchpad.net/ubuntu/+source/busybox/1:1.30.1-4ubuntu6.2
      https://launchpad.net/ubuntu/+source/busybox/1:1.27.2-2ubuntu3.3
    
    

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