PHP ImageMagick: Denial of Service -- Remote/Unauthenticated

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3615
                 USN-4586-1: PHP ImageMagick vulnerability
                              21 October 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           PHP ImageMagick
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-11037  

Reference:         ESB-2019.4446

Original Bulletin: 
   https://usn.ubuntu.com/4586-1/

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USN-4586-1: PHP ImageMagick vulnerability
20 October 2020

PHP ImageMagick could be made to crash if it received specially crafted
input.
Releases

  o Ubuntu 18.04 LTS

Packages

  o php-imagick - PHP extension to create and modify images using the
    ImageMagick API

Details

It was discovered that PHP ImageMagick extension didn't check the address used
by an array. An attacker could use this issue to cause PHP ImageMagick to
crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 18.04

  o php-imagick - 3.4.3~rc2-2ubuntu4.1

In general, a standard system update will make all the necessary changes.

References

  o CVE-2019-11037

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