Ubuntu 3902-2: PHP vulnerabilities

    Date12 Mar 2019
    CategoryUbuntu
    3647
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in PHP.
    ==========================================================================
    Ubuntu Security Notice USN-3902-2
    March 12, 2019
    
    php5 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in PHP.
    
    Software Description:
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    USN-3902-1 fixed a vulnerability in PHP. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     It was discovered that the PHP XML-RPC module incorrectly handled
     decoding XML data. A remote attacker could possibly use this issue to
     cause PHP to crash, resulting in a denial of service. (CVE-2019-9020,
     CVE-2019-9024)
    
     It was discovered that the PHP PHAR module incorrectly handled certain
     filenames. A remote attacker could possibly use this issue to cause
     PHP to crash, resulting in a denial of service. (CVE-2019-9021)
    
     It was discovered that PHP incorrectly handled mbstring regular
     expressions. A remote attacker could possibly use this issue to cause
     PHP to crash, resulting in a denial of service. (CVE-2019-9023)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      libapache2-mod-php5             5.3.10-1ubuntu3.33
      php5-cgi                        5.3.10-1ubuntu3.33
      php5-cli                        5.3.10-1ubuntu3.33
      php5-fpm                        5.3.10-1ubuntu3.33
      php5-xmlrpc                     5.3.10-1ubuntu3.33
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3902-2
      https://usn.ubuntu.com/usn/usn-3902-1
      CVE-2019-9020, CVE-2019-9021, CVE-2019-9023, CVE-2019-9024
    
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