Ubuntu 3791-1: Git vulnerability

    Date11 Oct 2018
    CategoryUbuntu
    4176
    Posted ByAnthony Pell
    Git could be made to run programs as your login if it recursivelyopened a malicious git repository.
    ==========================================================================
    Ubuntu Security Notice USN-3791-1
    October 12, 2018
    
    git vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Git could be made to run programs as your login if it recursively
    opened a malicious git repository.
    
    Software Description:
    - git: fast, scalable, distributed revision control system
    
    Details:
    
    It was discovered that git did not properly validate git submodule
    urls or paths. A remote attacker could possibly use this to craft a
    git repository that causes arbitrary code execution when recursive
    operations are used.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      git                             1:2.17.1-1ubuntu0.3
    
    Ubuntu 16.04 LTS:
      git                             1:2.7.4-0ubuntu1.5
    
    Ubuntu 14.04 LTS:
      git                             1:1.9.1-1ubuntu0.9
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3791-1
      CVE-2018-17456
    
    Package Information:
      https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.3
      https://launchpad.net/ubuntu/+source/git/1:2.7.4-0ubuntu1.5
      https://launchpad.net/ubuntu/+source/git/1:1.9.1-1ubuntu0.9
    
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