Ubuntu 3478-1: Perl vulnerabilities

    Date13 Nov 2017
    113
    Posted ByLinuxSecurity Advisories
    Perl could be made to crash if it received specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-3478-1
    November 13, 2017
    
    perl vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Perl could be made to crash if it received specially crafted
    input.
    
    Software Description:
    - perl: Practical Extraction and Report Language
    
    Details:
    
    Jakub Wilk discovered that Perl incorrectly handled certain regular
    expressions. An attacker could use this issue to cause Perl to crash,
    resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2017-12837, CVE-2017-12883)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      perl                            5.24.1-2ubuntu1.1
    
    Ubuntu 16.04 LTS:
      perl                            5.22.1-9ubuntu0.2
    
    Ubuntu 14.04 LTS:
      perl                            5.18.2-2ubuntu1.3
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3478-1
      CVE-2017-12837, CVE-2017-12883
    
    Package Information:
      https://launchpad.net/ubuntu/+source/perl/5.24.1-2ubuntu1.1
      https://launchpad.net/ubuntu/+source/perl/5.22.1-9ubuntu0.2
      https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.3
    

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