Ubuntu 3834-2: Perl vulnerabilities

    Date03 Dec 2018
    Posted ByAnthony Pell
    Several security issues were fixed in Perl.
    Ubuntu Security Notice USN-3834-2
    December 03, 2018
    perl vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.04 ESM
    Several security issues were fixed in Perl.
    Software Description:
    - perl: Practical Extraction and Report Language
    USN-3834-1 fixed a vulnerability in perl. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    Original advisory details:
     Jayakrishna Menon discovered that Perl incorrectly handled
     Perl_my_setenv. An attacker could use this issue to cause Perl to
     crash, resulting in a denial of service, or possibly execute arbitrary
     code. (CVE-2018-18311)
     Eiichi Tsukata 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. (CVE-2018-18313)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.04 ESM:
      perl                            5.14.2-6ubuntu2.9
    In general, a standard system update will make all the necessary
      CVE-2018-18311, CVE-2018-18313
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