Linux Security
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    Ubuntu 4583-2: PHP vulnerabilities

    Date 27 Oct 2020
    105
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in PHP.
    ==========================================================================
    Ubuntu Security Notice USN-4583-2
    October 27, 2020
    
    php7.4 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.10
    
    Summary:
    
    Several security issues were fixed in PHP.
    
    Software Description:
    - php7.4: server-side, HTML-embedded scripting language (metapackage)
    
    Details:
    
    USN-4583-1 fixed vulnerabilities in PHP. This update provides
    the corresponding update for Ubuntu 20.10.
    
    Original advisory details:
    
     It was discovered that PHP incorrectly handled certain encrypt ciphers.
     An attacker could possibly use this issue to decrease security or cause
     incorrect encryption data. (CVE-2020-7069)
    
     It was discorevered that PHP incorrectly handled certain HTTP cookies.
     An attacker could possibly use this issue to forge cookie which is supposed to
     be secure. (CVE-2020-7070)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.10:
      libapache2-mod-php7.4           7.4.9-1ubuntu1.1
      php7.4-cgi                      7.4.9-1ubuntu1.1
      php7.4-cli                      7.4.9-1ubuntu1.1
      php7.4-curl                     7.4.9-1ubuntu1.1
      php7.4-fpm                      7.4.9-1ubuntu1.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4583-2
      https://usn.ubuntu.com/4583-1
      CVE-2020-7069, CVE-2020-7070
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php7.4/7.4.9-1ubuntu1.1
    

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