Ubuntu 4305-1: ICU vulnerability

    Date 17 Mar 2020
    435
    Posted By LinuxSecurity Advisories
    ICU could be made to execute arbitrary code if it received a specially crafted string.
    ==========================================================================
    Ubuntu Security Notice USN-4305-1
    March 17, 2020
    
    icu vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    ICU could be made to execute arbitrary code if it received a specially crafted
    string.
    
    Software Description:
    - icu: International Components for Unicode library
    
    Details:
    
    André Bargull discovered that ICU incorrectly handled certain strings.
    An attacker could possibly use this issue to execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      libicu63                        63.2-2ubuntu0.1
    
    Ubuntu 18.04 LTS:
      libicu60                        60.2-3ubuntu3.1
    
    Ubuntu 16.04 LTS:
      libicu55                        55.1-7ubuntu0.5
    
    Ubuntu 14.04 ESM:
      libicu52                        52.1-3ubuntu0.8+esm1
    
    Ubuntu 12.04 ESM:
      libicu48                        4.8.1.1-3ubuntu0.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4305-1
      CVE-2020-10531
    
    Package Information:
      https://launchpad.net/ubuntu/+source/icu/63.2-2ubuntu0.1
      https://launchpad.net/ubuntu/+source/icu/60.2-3ubuntu3.1
      https://launchpad.net/ubuntu/+source/icu/55.1-7ubuntu0.5
    

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